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AI stocks stumbled as investors questioned valuations and rising market concentration, today, Dec. 17, 2025. S&P 500 fell 1.16% to 6,721.43, the Nasdaq Composite

S&P 500, Nasdaq, Dow today: US stocks fell on Wednesday as investors rotated out of high-flying artificial intelligence names, spurred by a report that

Key Takeaways The chief strategist at Interactive Brokers expects 2026 to be the first negative year for the S&P 500 since 2022. Steve Sosnick

A day that featured the biggest initial public offering in four years also saw the Nasdaq Composite close sharply lower. The tech-heavy index slid

Regulators are challenging Tesla’s self-driving claims, putting its AI and robotaxi ambitions under renewed scrutiny, today, Dec. 17, 2025. Today’s Change (-4.62%) $-22.62 Current

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Stefon Walters, The Motley Fool December 17, 2025 at 3:56 PM Key Points The Shiller price-to-earnings (P/E) ratio, or CAPE ratio, is a measure

The company is off to a roaring start in its new fiscal year, with a double beat in its latest reported quarter, and better-than-expected

WALL Street’s main indexes closed lower on Wednesday, with the S&P 500 and the tech-heavy Nasdaq sinking to three-week lows as nagging worries about

The global economy is not going through its best moment, and inflation, the problems derived from the various active wars and the situation of