There was one story in technology and markets on Monday, November 9: a broad Wall Street rebound after the worst week since April 2025 — with a striking split inside AI stocks themselves.
All three major indexes closed sharply higher, according to the Associated Press final closing scoreboard: the S&P 500 rose 2.35% to 7,549.94 (+173.08 points), the Nasdaq Composite rose 2.74% to 25,253.14 (+673.71 points), and the Dow Jones Industrial Average jumped more than 1,100 points (+1,104.02) to 52,389.75. All 11 S&P 500 sectors rose, with industrials and consumer discretionary leading at more than 3%, according to Reuters.
Why did the market jump today?
First, oil fell: West Texas Intermediate crude dropped about 4.4% to settle at $86.85 a barrel after President Donald Trump downplayed the likelihood of renewed strikes on Iran, easing inflation and escalation fears. Second, analysts at Morgan Stanley and UBS said last week's selloff in AI stocks was overdone, and that fears of harsh data-center regulation after the midterm elections were unlikely to play out as the market had feared, according to Reuters.
Chips lead — and Nvidia alone bleeds
The Philadelphia Semiconductor Index surged about 6.9%, recovering part of its plunge of more than 12% last week — its biggest weekly drop since the week ended April 4, 2025. AMD jumped about 13.26% to $508.58, Broadcom rose about 8.78%, and Constellation Energy — the power company tied to the AI data-center buildout — shot up more than 10% after its quarterly profit beat expectations.
The one exception was Nvidia: its shares fell 4.27% to $178.67, making it the sole decliner in the semiconductor index, after touching their lowest intraday level since March 31. The reason has been known since Sunday: the company's board opened an independent investigation into reports that CEO Jensen Huang was targeted by a foreign intelligence effort, and the company said it has no reason to believe its secrets were compromised. The market's message today was clear: investors are buying the AI story again — but they are now picking between companies, not buying them all.
What is the market waiting for this week?
The next test comes immediately: U.S. inflation data (CPI) for October is released on Tuesday, November 10, followed by producer-price data (PPI) on Friday. A cooler inflation print could extend the rebound; a hot one could put stocks back under pressure. A week later comes Nvidia's quarterly results on November 17 — management's first direct address to investors since the investigation was opened.
Disclaimer: This article is for information only and is not investment advice. Share prices are volatile; consult a licensed financial adviser before buying or selling.
Sources: Reuters (November 9, 2026); Associated Press final closing scoreboard (November 9, 2026); TradingKey market-close recap (November 9–10, 2026).
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