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Last week, Wall Street skipped the sushi and went back for the casserole (catch up here). This week, the whole family went to the amusement park. Everybody ran straight for the AI roller coaster, the tallest, shiniest, most expensive ride in the place, the one that had been going up all year. Then a safety inspector showed up with a clipboard and started asking where the money for the bolts came from. By Friday, the coaster was closed with a tarp over it, and the longest line in the park was for the merry-go-round. Grandma's ride. Soup, toothpaste, medicine, and oil. It went around in a circle and made money all week.
What You Need to Know in 60 Seconds
Chip stocks had their worst week in a long time. The chip fund we track fell 10.5%. A basket of 30 big chip stocks (the SOX) fell eight trading days in a row, through Friday. Micron lost 14.6%, Intel 14.2%, AMD 13.1%.
The Nasdaq had its worst week since June. It fell 4.5%, ending a four-week winning streak. The S&P 500 fell 1.9%, also its worst week since June.
The Dow went up. Plus 0.7%. Boring companies won. Consumer staples (soup, soda, toothpaste) gained 5.0%, the best of the 11 sectors. Tech lost 7.7%, the worst.
Inflation came in hot. Twice. Consumer prices rose 3.7% from a year ago, more than the 3.6% expected. Wholesale prices jumped 6.3% from a year ago.
Your paycheck lost ground. After inflation, average hourly pay fell 0.5% in September and is down 0.7% from a year ago, per the Labor Department.
Oil jumped again. The oil fund we track gained 9.2%. Brent crude, the global price, closed Friday at $109.86 a barrel after new attacks around the Strait of Hormuz and in Saudi Arabia.
The weird part: interest rates fell. The 10-year Treasury yield dropped from 5.24% to 5.09%, as scared money hid in government bonds.
The line for the carousel has never looked so good.
Last Week's Market Scorecard
Friday, Oct 9, close to Friday, Oct 16, close
Index | Close | Week | Mood |
|---|---|---|---|
S&P 500 | 7,659.44 | -1.95% | Got off the coaster a little green |
Nasdaq Composite | 26,140.03 | -4.48% | Stuck at the top of the loop |
Dow Jones | 52,002.41 | +0.67% | Rode the carousel, ate a funnel cake |
Small caps (IWM fund) | 270.44 | -3.05% | Too short for the ride, fell anyway |
VIX (fear gauge) | 19.99 | +34.7% | Finally woke up and screamed |
Consumer staples (XLP fund) | 87.62 | +5.02% | Best sector. Sold the most popcorn. |
Tech (XLK fund) | 183.47 | -7.70% | Worst sector. Ride closed for inspection. |
The fund rows show prices of funds that track a group of stocks. The weekly move is what matters, not the price tag. Seven of the 11 sectors went up. The equal-weight S&P 500 fund (RSP), which gives every company the same vote instead of letting the giants run the show, actually gained 0.5%. The regular S&P 500 fell 1.9%. In plain English: the average American company had a fine week. A few very large, very famous chip and tech companies had a terrible one, and they are heavy enough to drag the whole index down with them.
The $1,000 test: had $1,000 in the S&P 500 last Friday? You have about $981 now. In the Nasdaq? About $955. In the chip fund? About $895. In Micron? About $854, which is a $146 haircut for owning the company that makes the memory inside every AI server on Earth.
Top News & Market Impacts
The AI Roller Coaster Failed Inspection, One Bolt at a Time
Nobody pulled the emergency brake on the chip stocks. The inspector just kept finding loose bolts, one a day, for eight days.
Monday: Broadcom's CEO, Hock Tan, a man who sells chips for a living, said at a conference in Singapore that "a lot of investors have no clue what they are investing in." We covered it live: the chip salesman called it a casino, and the chips took the hint. The chip index fell 2.7%. In South Korea, home of two of the world's biggest memory chip makers, the main stock index dropped about 5.5%.
Wednesday: the safety inspector arrived. CoreWeave, a company that rents out AI computing power and pays for its data centers mostly with borrowed money, fell 15.5%. It owes nearly $50 billion. Some of its bonds traded at 77 cents on the dollar, which is the bond market's polite way of saying "we will take your IOU, but we are not paying full price for it." Oracle fell 8.8% as the cost of insuring its debt against default hit a record. We wrote that Wall Street asked the AI boom for its pay stubs, and that was the whole mood.
Thursday: Nvidia CEO Jensen Huang co-signed the loan. He told Bloomberg, "CoreWeave's strength is improving every day." CoreWeave bounced 5.9% and the chip index cut a 4% drop to under 1% (the full co-signing ceremony is here). Still down. Seven in a row.
Friday: loose bolt number eight. Taiwan said it plans to make shipping restricted AI chips and servers to China a crime, lining up with US rules, per Bloomberg. Micron fell 5.6% and Intel 5.8% on the day, per AP. The SOX closed at 11,137, down 11.4% on the week and down 15.7% since last Tuesday.
The kicker: nobody said AI demand is shrinking. Taiwan Semiconductor, which manufactures chips for almost everyone, reported a record profit on Thursday. Its US-listed shares still fell 9% on the week. The question changed from "how many chips will they sell?" to "who is paying for all this, and is that money borrowed?"
A roller coaster doesn't fail inspection because people stopped wanting to ride it. It fails because somebody looked at the bolts. The AI buildout runs on borrowed money, and this week the people lending it started reading the fine print. That doesn't mean the ride is gone for good. It means the line just got a lot shorter, and the people still in it are gripping the safety bar a little tighter. If your 401(k) leans on a big tech fund, this was the week you felt it.
Every loan looks great until somebody taps the beam.
Inflation Showed Up Hot
and Your Paycheck Noticed First
On Wednesday, the government released the September consumer price index, or CPI, the monthly price check on a basket of stuff regular people buy. Prices rose 0.6% in one month, as expected, and 3.7% from a year ago, a bit hotter than the 3.6% forecast. "Core" inflation, which leaves out food and gas because they bounce around, rose 0.3% in the month against a 0.2% forecast. Gasoline alone jumped 9.1% in a single month. If you drive to work, you don't need a government report to tell you that. Your gas gauge sent the memo weeks ago.
Thursday made it worse. The producer price index, or PPI, which tracks what businesses pay for stuff before it reaches the store shelf, jumped 1.3% in one month and 6.3% from a year ago, per the Bureau of Labor Statistics. Think of PPI as the warehouse bill that shows up at your store a few weeks later.
Now, the part that matters at the kitchen table. The Labor Department's "real earnings" report, which is your hourly pay after inflation takes its cut, fell 0.5% in September and is down 0.7% from a year ago. On a $50,000 paycheck, that's roughly $350 of buying power that walked out the door this year, even if the number on your pay stub went up.
Your raise showed up. Then the gas pump ate it.
And yet shoppers kept shopping. Retail sales rose 0.8% in September, per the Census Bureau. Americans are feeling worse and spending anyway, the economic version of saying "I really shouldn't" while reaching for the second funnel cake.
When inflation runs hot, the Fed (America's central bank, which sets the basic cost of borrowing money) usually wants to raise interest rates to cool things off. It already raised them once in September, to a range of 3.75% to 4.00%. Hot prices plus shoppers who won't stop spending is exactly the combination that keeps rate hikes on the table. The ride operator just raised ticket prices, and the crowd lined up anyway, so the operator is thinking about raising them again.
The Weirdest Thing That Happened:
Rates Went Down Anyway
Here's where it gets strange. Hot inflation usually pushes interest rates up. This week, the 10-year Treasury yield, the interest rate the government pays to borrow for 10 years and the one that steers mortgage rates, did the opposite. It fell from 5.24% last Friday to 5.09% this Friday, per the Treasury Department.
Why? Because when the roller coaster starts shaking, people run for the bench. Government bonds are the bench. Money that fled the chip stocks had to go somewhere, and a lot of it went into Treasuries, which pushed their prices up and their yields down. The long-term bond fund we track gained 2.7% on the week.
Fed Chair Kevin Warsh was in Bangkok for the International Monetary Fund meetings when the inflation report landed here. In a Thursday night chat, he called AI "probably the most consequential change to the U.S. and the global economy in my lifetime." On rates, he said he doesn't "believe in saying now" what the Fed will do at its last meetings of the year. In plain English: big fan of the robots, zero hints about your mortgage.
Bettors on Polymarket (more on that below) now see the Fed holding at its October 27-28 meeting and hiking in December.
Lower Treasury yields are good news for anyone hoping that mortgage rates come down. But look at why they fell. They didn't fall because inflation cooled. They fell because people got scared. That's like your electric bill dropping because a storm knocked the power out. Technically cheaper. Not exactly a win. If the fear fades and inflation stays hot, yields can climb right back up.
The Banks Handed In Their Report Cards
The Customers Got an A
The big banks kicked off earnings season, the four times a year companies report how much money they made. The grades were all over the place. We covered the first batch live.
JPMorgan actually missed: $5.57 a share against $5.94 expected, per Seeking Alpha. Its stock went up 2.0% on the week anyway. When you're the biggest bank in the country, a B-minus still gets you dessert.
Citigroup beat, then fell 5.6% in one day after warning that its trading desk will have a softer end of the year. It lost 4.2% on the week.
Bank of America fell 5.7% on the week. It earned 91 cents a share against $1.09 expected, dragged down by a $1.2 billion fine from the Treasury Department over anti-money-laundering and sanctions rules. "Know your customer" is a rule, not a slogan.
The best news was buried in the footnotes. Credit card charge-offs, the debts a bank gives up on collecting, fell at JPMorgan, Citi, and Wells Fargo. Bank of America's own income forecast assumes the Fed hikes three more times, which tells you what the lenders think is coming.
Banks see your bills before anybody else does. When people stop paying their credit cards, the banks feel it first. This week, they said customers are still paying. That's the most reassuring sentence in a scary week: the ride may be shaking, but the people in line still have money in their pockets. The nervous ones were the bank traders, not the bank customers.
Oil Kept Climbing Because
The Gulf Keeps Burning
While the chip stocks fell off the track, oil climbed all week. The oil fund we track gained 9.2%. Brent crude, the global oil price, closed Friday at $109.86 a barrel, up 3.7% on the day. Before the Iran war began in late February, it was around $72.
The reasons came one a day, like the chip bolts in reverse. Houthi rebels in Yemen attacked targets in Saudi Arabia, including a missile that hit an Aramco office building in Dhahran (Saudi Aramco is the state oil company). Tanker attacks near the Strait of Hormuz, the narrow waterway that a big chunk of the world's oil passes through, kept shipping traffic low. The International Energy Agency said its members would release roughly the last 100 million barrels from their March emergency pledge. Oil shrugged and kept climbing. On Polymarket, bettors give only a 12% chance that Hormuz shipping traffic is back to normal by the end of the year.
Energy stocks (+4.9%) were the second-best sector of the week. Oil companies are basically the guy selling umbrellas during a hurricane: you don't love him, but business is very good.
This is the same story that showed up in the inflation report. Gas jumped 9.1% in one month, and oil just had another big week. That's next month's gas price getting loaded in today. The merry-go-round is great, but somebody keeps raising the price of the ticket to ride it.
The Merry-Go-Round Won:
Soup, Toothpaste, and Medicine
The winners were the companies nobody brags about at a barbecue. Consumer staples (the stuff you buy no matter what: groceries, soap, soda, toothpaste) gained 5.0%, the best sector of the week. PepsiCo rose 4.4%. Health care gained 3.5%. UnitedHealth, the biggest health insurer in the country, jumped 5.8% on the week after earning $4.69 a share against $4.14 expected and raising its full-year profit forecast to at least $20.50 a share.
The Dow, which owns a lot of these steady old companies, finished up 0.7% in a week when the Nasdaq lost 4.5%. That 5-point gap is the whole story. One ride crashed, one ride went in circles, and the circle won.
When the scary ride closes, everybody suddenly remembers how much they love the carousel.
Not everything boring got a gold star. Johnson & Johnson fell 2.3% on the week after raising its profit forecast by about six cents a share. Wall Street wanted more. Six cents is a raise in the way a free breadstick is a meal.
This was the second week in a row that the boring stuff beat the exciting stuff. Last week, it was utilities and casserole. This week, it was soup and medicine. When big investors stop chasing the next big thing and start buying companies that sell things you need every Tuesday, they are telling you they are nervous. They're not panicking. They just moved from the front car of the roller coaster to a painted wooden horse. Slower ride. Nobody throws up.
🏆 Dud of the Week:
Hock Tan, for Saying the Quiet Part Out Loud
Imagine the guy who sells the casino its poker chips walking onto the floor and telling everyone at the tables they have no idea what they're doing. That was Broadcom's CEO on Monday. Broadcom's own stock fell 9.1% on the week. Right about the risk. Wrong week to say it.
Seven sectors up, four down. One of them fell off a cliff.
Current Top 5 Polymarket (Economy)
Polymarket is a site where people bet real money on events. The five biggest economy bets by dollars wagered, as of Friday evening:
1. How many Fed rate cuts in 2026? 97% say zero. ($54M bet.) The cut crowd has officially left the building and taken the snacks.
2. Fed decision in October? 87% say no change. ($45M bet.) Down from about 28% odds of a hike on Wednesday, so the crowd blinked.
3. Strait of Hormuz traffic back to normal by Dec 31? Just 12% yes. ($15M bet.) Bettors are not holding their breath. Neither is your gas tank.
4. Largest company at the end of December? 69% say Nvidia. ($9M bet.) Even after this week. Loyalty is a beautiful thing.
5. Fed decision in December? 77% say a hike of a quarter point. ($4M bet.) So, a quiet October and a hike for Christmas. Ho ho hold on to your wallet.
Gold Watch
The gold fund we track slipped 0.7% this week, to $382.01. Here's the surprising part: it's down about 3.6% from a year ago, when gold was in the middle of a huge run in October 2025. So grandma's coins didn't help this week. In a week built for gold (hot inflation, scared stock market, war in the Gulf), gold sat there like a cat watching the chaos from on top of the fridge.
Why? Scared money went to government bonds instead, which pay about 5% a year just for holding them. Gold pays nothing. Grandma's coins have stiff competition.
Real-Estate Pulse
Freddie Mac's average 30-year mortgage rate held at 7.40% on Thursday, the same as the week before. A year ago, it was 6.27%. On a $350,000 loan, that's roughly $260 a month more than a year ago, for the same house. (We did that math on a standard 30-year payment.)
Existing home sales, which count houses that already had an owner, rose to a 3.99 million yearly pace in September. Mortgage applications fell 2.7% for the week.
For actual humans: if you're shopping, rates didn't get worse this week, which, by 2026 standards, counts as good news. Break out the sparkling cider. Not the champagne.
The fear gauge (the VIX, which measures how much big investors are paying for crash insurance on stocks) jumped 35% this week, to about 20. That's not panic. That's the moment on the coaster when everyone stops laughing and grabs the bar.
News sentiment, a score from 0 (doom) to 1 (sunshine) based on how headlines read, tells the same story. For Micron, it fell to about 0.30 on Wednesday, its gloomiest day of the week, from about 0.63 the Friday before. NVIDIA's headlines stayed oddly cheerful all week (0.56 to 0.74) even as its stock fell 6.6%. The headlines still think it's the hero of the movie.
Our word of the week: "debt." Suddenly, everybody cared who owed what to whom.
Oil near $110 means the lemonade costs extra, too.
Wine & Dine
The appetizer was a casino warning from a chip salesman, served with a side of Korean memory chips falling off a cliff. The soup course was the September CPI: hot, a little too salty, 3.7%. The main course was AI debt, served raw at CoreWeave and Oracle, then sent back. NVIDIA's CEO came out of the kitchen to personally vouch for the chef, which helped for exactly one day. The wine pairing was a $109 bottle of Brent crude, aged in the Strait of Hormuz. Dessert was soup. Literally. Soup and toothpaste beat every fancy dish on the menu. The check came on Friday. The Nasdaq paid 4.5%. The Dow left a tip.
Wrapping Up
This was the week the AI trade met an inspector. Not a wrecking ball. An inspector. Demand for AI chips is still huge, and Taiwan Semiconductor just proved it with a record profit. But investors stopped asking "how big can this get?" and started asking "who's paying for it, and with whose money?"
Meanwhile, inflation came in hot, oil climbed toward $110, and your paycheck lost buying power for the year. That's the part that touches the most people, and it's why a December hike is still on the table.
The money that ran from the roller coaster didn't leave the park. It went to the merry-go-round (soup, medicine, oil) and the bench (government bonds). Next week brings the biggest test yet: Netflix on Tuesday, then Tesla and Meta on Wednesday. Meta spends a fortune on AI. If it says "we're spending even more," the inspector will want to see that receipt too.
The one question that decides next week: do the big tech companies still sound confident about AI spending, or do they start sounding like someone explaining a credit card bill to their spouse?
The coaster isn't torn down. It's closed for inspection. And the carousel is very happy to have the company.
Closed for inspection. The carousel stays open late.
The Week Ahead
Mon 10/19, 9:00 AM CT: Home builder confidence (NAHB). Last month it was 32, on a scale where anything under 50 means builders are gloomy. They are very gloomy.
Tue 10/20: Housing starts and building permits at 7:30 AM CT. GM, GE Aerospace, RTX, and 3M report before the bell. Netflix reports after the close.
Wed 10/21: Tesla, Meta, IBM, Texas Instruments, and Lam Research after the close; AT&T before the bell. The AI spending question gets its first real answer here.
Thu 10/22: Weekly jobless claims at 7:30 AM CT (last week: 199,000, still low). Freddie Mac mortgage rates. Procter & Gamble, Honeywell, Union Pacific, Lockheed Martin, and Blackstone report.
Fri 10/23: Business activity surveys (S&P Global PMIs) at 8:45 AM CT. American Express reports.
The one thing that could ruin everyone's Monday: more trouble in the Gulf. If oil pushes past $110 and stays there, the hot inflation story gets hotter, and the merry-go-round starts charging extra, too. The Fed is in its quiet period before the October 27-28 meeting, so no rescue speeches are coming.
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Disclaimer: Tracking the Trade is for informational, educational, and mildly therapeutic purposes only. Nothing here is financial advice, a recommendation to buy or sell anything, or a guarantee that the roller coaster reopens on schedule. Past performance does not predict future results, and the market has never once checked its height requirement against your 401(k). Talk to a licensed professional before making financial decisions. Please keep your hands and feet inside the portfolio at all times.
AI Transparency: AI helps us find, analyze, rate, and summarize the stories worth covering. Humans review, edit, and publish everything you read. AI does some of the heavy lifting, but humans make the final call.
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