Wall Street's current valuations rank among the highest in history, driven by AI hype, stretched metrics, and fragile market breadth dominated by mega-cap stocks.

The heaviest weight on the market was Nvidia, whose chips are powering much of the move into AI. It sank 3.5%.

U.S. stock indexes are edging lower. The S&P 500 fell 0.4% Thursday and is on track for a fifth straight modest loss since ...

Some analysts say China is fully “de-risked.” Others see a business facing “unsupportable” geopolitical reality. For Nvidia, billions are on the line.

Sell-offs in numerous tech companies dragged global markets downward this week after a report from MIT's NANDA initiative estimated that almost no AI startups have achieved ...

NEW YORK — (AP) — U.S. stock indexes are edging lower on Thursday as Wall Street makes its final moves before the head of the Federal Reserve gives a highly anticipated speech on Friday that could ...

Nvidia stock is currently set to record its first two-week losing streak since April amid fears of an AI bubble.

Futures are pointing to a lower open again. At the moment, the Dow is down 163 points. The S&P 500 is down about 19, with the Nasdaq down about 61 points. “Markets are on a three-day losing streak as ...

The AI Gold Rush Hits a Wall The artificial intelligence (AI) boom has propelled Big Tech valuations to dizzying heights, with companies like Meta Platforms (NASDAQ:META), Google, and Microsoft ...

In the second quarter, Appaloosa dumped 100% of its Broadcom stake, even after robust results and corresponding stock price ...

Nvidia ( NVDA -0.16%) is the world's largest company, which may give some investors pause before investing in it. A common mindset is: "If it's already the biggest company in the world, can it get any ...