Nvidia stock briefly topped a $4 trillion market cap with Nvidia chipmaker Taiwan Semi on tap. AI plays Astera Labs and Rubrik flashed buy signals.

Eastern time, the benchmark S&P 500 was up 0.3%, the Dow Jones Industrial Average rose 0.2%, and the Nasdaq Composite was 0.6 ...

Brian Niccol, known for reviving Taco Bell and Chipotle, now faces investor doubts nine months into his tenure.

Investors have moved from overenthusiastic to overly pessimistic. Wall Street has a habit of moving between extremes, often swinging from shocking enthusiasm to despondent pessimism. It's down more ...