Week In Review: The Mansion Next Door Passed the Hat at the Block Party

Last week the AI roller coaster failed inspection (catch up here). This week the whole neighborhood threw a block party. Grills out, folding tables, pie. At the end of the street sits a giant glass mansion full of AI computers, still under construction, cranes everywhere. On Thursday, the owner of the biggest wing walked down the middle of the party holding out a hat. Turns out the mansion costs more than the people building it have lying around. Meanwhile, the regular houses on the block (the small companies, the boring ones, the ones that make toothpaste and fighter jets) had a perfectly nice week.

Friday Oct 16 close to Friday Oct 23 close

Rows marked "fund" hold a group of stocks: watch the move, not the price. Eight of the 11 sectors went up. The worst one, communication services, is where Meta and Alphabet live: the mansion's address. The equal-weight S&P 500 fund (RSP) gained 1.1% while the regular S&P 500 slipped 0.5%. In plain English: most companies had a decent week, and a few giant ones were heavy enough to tip the scoreboard.

The $1,000 test: had $1,000 in the S&P 500 last Friday? You have about $995 now. In the Nasdaq? About $993. In the small-company fund? About $1,020. In Meta? About $906, which is a $94 contribution to a hat you never agreed to fill.

Wednesday night, Meta's report card looked great. Sales came in at $64.6 billion for the quarter, above the roughly $63.4 billion analysts expected, and it forecast $73 billion to $76 billion for the holiday quarter. The stock rose about 2.2% in after-hours trading (trading after the market's 3:00 PM CT close), per Benzinga. Party on.

Then everyone read the rest of the receipt. Meta spent about $34.9 billion on AI buildings and chips in the quarter, per its results, and ended up with negative free cash flow of about $2.1 billion. Free cash flow is the money left over after you pay the bills and build the stuff. Negative means the mansion cost more than the paychecks coming in. And it isn't slowing down: Meta now expects to spend $135 billion to $145 billion on buildings and equipment this year, up from $130 billion, per its own release. At the middle of that range, that's about $380 million a day. Including Christmas.

And how do you pay for more mansion? Meta is creating a new kind of share called Class C, with no voting rights. When the change takes effect on January 19, 2027, every shareholder gets one free Class C share for each share they already own. That works like a 2-for-1 split: twice as many slices, same size pie, so nobody's piece shrinks on day one. The real point comes later. Meta can sell more of those no-vote shares to raise money for AI, and Mark Zuckerberg keeps the steering wheel. At a block party, that's "sure, chip in for my addition. You just don't get a say in the paint color."

Meta fell 7.0% on Thursday to $648.85 and finished the week down 9.4% at $642.62. That's its worst week since the week ending May 1, per our own pull of its weekly prices. We covered the dinner bill live: Big Tech ordered the whole menu, and Thursday the check came.

The food is great. The sales are real. But when the richest kid at the party starts passing the hat, everybody checks their wallet.

Then Thursday got weirder. Jensen Huang, Nvidia's CEO, the company that sells the chips inside nearly every AI computer, told CNBC that money for the AI buildout is scarce: "the demand for capital is much greater than the availability of the capital." He added that it will get solved. Sure. That's the guy selling the bricks telling you the homeowners are short on cash for bricks.

The Philadelphia Semiconductor Index (SOX), a basket of 30 big chip stocks, fell 6.72% on Thursday, its worst day since June 23. AMD fell 8.1% that day, Intel 8.0%, Nvidia 4.4%. The tech-heavy Nasdaq had its worst day since June 5, down 2.6%. Lam Research, which makes the machines that make the chips, fell 12.8% on the week. When the mansion is over budget, the guy who rents out the cranes hears about it first. The chip index bounced on Monday and Wednesday (we called Wednesday a beach day), then gave it all back, and then some, over Thursday's session. It finished the week down 3.2%.

On Monday, a few giant stocks carried the market up while nearly two-thirds of the S&P 500 fell, per Yahoo Finance (the couch story). On Tuesday it flipped: big tech slipped, and the Dow jumped 1.0% (the bench won that one). By Friday, the scorecard told the whole story. The equal-weight S&P 500 rose 1.1%. Small companies rose 2.0%. The regular S&P 500 slipped 0.5%.

Not every regular house had a good week. General Motors fell 9.6% after a strong quarter, a $20 billion plan to buy back its own stock (a company buying its own shares, which makes each remaining share a slightly bigger slice), and a warning that pricier metals, shipping, and memory chips will cost it about $2 billion this year, per CNBC and the company's call. Copper and steel are the stuff that becomes your next truck, getting more expensive before it hits the lot.

The mansion got all the attention. The neighbors got the returns.

Brent crude, the global oil price, settled Friday at about $116.72 a barrel, up 3.1% on the day and 6.2% on the week, its highest close since April 29, per CNBC. US crude settled at about $103.27.

The reasons stacked up like dirty dishes:

Energy was the best sector of the week, up 1.6%. The oil fund we track, which follows US crude rather than Brent, gained 4.8%. Oil companies: the guy selling umbrellas in a hurricane.

On Friday, it finally spread to the rest of the block. The Dow fell 653 points, or 1.2%, as Thursday's tech selling spilled into other parts of the market and oil kept climbing. American Express, a Dow member, fell 3.7% on Friday even after beating profit forecasts, while also announcing about 4,000 job cuts and a $350 million anti-money-laundering penalty.

Oil up, war talk up, and interest rates went down. The 10-year Treasury yield, the interest rate the government pays to borrow for 10 years and the one that steers mortgage rates, fell from 5.09% last Friday to 5.00% this Friday, per the Treasury Department.

Thursday did most of the work. The 10-year dropped 0.17 percentage points in one day, from 5.13% to 4.96%, the biggest single-day fall of 2026. Why? When the mansion starts shaking, people grab the safest thing on the street: US government bonds. Heavy buying pushes bond prices up and yields down.

For anyone house hunting, that showed up fast. Freddie Mac's average 30-year mortgage rate dipped to 7.32% on Thursday, from 7.40% a week earlier. On a $350,000 loan, that's about $19 less per month, based on our math for a standard 30-year payment. Not a vacation. A pizza.

Good timing, because housing had a rough week. Pending home sales, homes under contract but not yet closed, fell 7.3% in September and are down 11.3% from a year ago, per the National Association of Realtors, with every region down. Housing starts, new homes breaking ground, fell 5.2% to 1.22 million per year, per the Census Bureau.

Every block has that one neighbor with a rocket in the garage. This week he decided he also wants to be your phone company.

Tuesday night, SpaceX reported its third-quarter results. Revenue jumped 161% to $14.58 billion from a year earlier, much of it from renting out computing power for AI. Then Elon Musk said on the call that SpaceX and Tesla's boards have each formed special committees to study a merger. He said calling a merger a sure thing "would be overstating it." Bloomberg later reported that the companies aim to announce a deal in the first half of 2027. Nothing is agreed. SpaceX stock jumped 7.8% on Wednesday, then gave most of it back and finished the week up 1.0%, per closing prices.

Tesla had its own report Wednesday night. It cut this year's spending plan to $20 billion from $25 billion, partly because its Optimus robots need more training. Musk compared them to toddlers. Tesla still finished the week up 4.9%, because merger talk with a rocket company is apparently worth more than robots who can fold laundry.

Then Friday, Bloomberg reported that SpaceX is negotiating for access to about 80,000 US cell sites, including talks with tower owner Crown Castle, which could help it build a fourth nationwide wireless network. AT&T fell 8.0% on Friday to $20.93 and 10.7% on the week. T-Mobile fell 7.7% Friday. It's still talks, not a deal.

Polymarket is a site where people bet real money on events. The five biggest economy bets by dollars wagered, per Polymarket's own data as of about 6:00 PM CT Friday:

1. Fed decision in October? 92.5% say no change. ($61M bet.) The bettors expect a nap.

2. How many Fed rate cuts in 2026? 96% say zero. ($55M bet.) Rate cuts left the party weeks ago and didn't say goodbye.

3. Strait of Hormuz traffic back to normal by Dec 31? Just 11.5% yes. ($15M bet.) Down a hair from 12% last week. The gas tank agrees.

4. Largest company at the end of December? 56% Nvidia, 38% Apple. ($9M bet.) Nvidia was at 69% a week ago.

5. Fed decision in December? 73% say a quarter-point hike. ($4.5M bet.) A quiet October, then a rate hike for the holidays. Merry everything.

The gold fund we track fell 4.0% this week to $366.61, its worst week since early June. It's now down about 3% from a year ago.

War plans, oil at a six-month high, tech wobbling: that's gold's whole job description. Gold went home early anyway. It fell 2.6% on Thursday alone, the same day everybody else ran for cover.

So where did the scared money go? Government bonds. They pay about 5% a year just for holding them, and gold pays nothing. Grandma's coins are still beautiful. They just keep losing the "safe place to hide" contest to a Treasury bill.

Freddie Mac's 30-year mortgage rate dipped to 7.32% from 7.40%, and the 15-year to 6.68% from 6.71%. A small dip on a very tall hill, but on a $350,000 loan it's still about $19 a month back in your pocket.

For actual humans: rates are inching the right way for the first time in a while. If you were waiting for a sign, this is a small one. A yard sign, not a billboard.

The fear gauge (the VIX, which measures how much investors pay for protection against a stock drop) fell three straight days to 16.7 by Wednesday, then jumped back above 19 when the mansion passed the hat. It finished at 19.45. Relaxed, then suddenly very aware of the guy with the hat.

News sentiment, a score from 0 (doom) to 1 (sunshine) based on how headlines read, tells the same story. Meta's headlines went from about 0.64 last Friday to about 0.45 on Thursday.

Word of the week: "capital." Suddenly everybody cared who had it.

Monday's appetizer was a tray of pigs in a blanket that Amazon carried in by itself while everyone else held the door. Tuesday's salad came from the neighbors: Post-it notes, bombers and Magic cards outscoring Apple. Wednesday's main course was Meta's quarter, and it was delicious right up until the host started passing the hat between bites. On Thursday, the head chef from Nvidia walked out of the kitchen to announce the restaurant is short on cash, which is never what you want to hear before dessert. The wine was a $116 bottle of Brent with notes of drone. Dessert was a rocket company offering everyone at the table a phone plan. Friday the bill came. The Dow covered 653 points of it, and the small companies split the rest and still went home ahead.

Here's the kitchen-table version. If you own a plain index fund through work, you barely felt this week, and the neighbors are the reason. The AI giants aren't broke, and they aren't shrinking. They're finding out that the biggest house ever built costs more than even they keep in checking, and investors have started judging each house on the block on its own instead of by the size of the biggest one. Healthy, if awkward at the grill.

The two things that touch your wallet directly are moving in opposite directions. Gas is getting pricier because of the Gulf. Borrowing got a hair cheaper because scared money ran to government bonds. Keep an eye on those two before any stock ticker.

Next week the Fed announces its interest rate decision Wednesday at 1:00 PM CT, and that same evening two more mansion owners, Microsoft and Alphabet, open their books. Amazon follows Thursday.

The one question that decides next week: when Microsoft, Alphabet and Amazon talk about AI spending, do they sound like they're paying cash, or passing the hat?

The mansion isn't going anywhere. It'll cost a lot more than the brochure said. And the neighbors are very happy to keep their porch lights on.

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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 an offer to invest in your neighbor's addition. Past performance does not predict future results, and the market has never once returned a casserole dish. Talk to a licensed professional before making money decisions. If someone at a block party passes you a hat, you are legally allowed to put a bun in it.