Shares dropped the most since March 2020 on Thursday, with investors fleeing the stock amid slower cloud growth and big spending on AI.

Microsoft said on Wednesday it had spent a record amount on artificial intelligence in the last quarter and posted slower cloud-computing growth, worrying investors who had expected a major payoff fro...

The selling frenzy around Microsoft cut $357 billion off the software company's market capitalization, leaving it at $3.22 trillion as of Thursday's close.

Microsoft’s MSFT -12.28% earnings surge failed to energize investors on Wednesday as it reported higher-than-expected spending on data centers and other AI infrastructure while growth in its closely w...

Meta appeared to gain approval from investors to keep putting money into AI as shares jumped 8% post-earnings.

Microsoft said Wednesday that its revenue for the October-December quarter was $81.3 billion, up 17% from the same time last year and beating Wall Street expectations.

NEW YORK (AP) — The worst day for Microsoft in years is pulling the U.S. stock market away from its record heights on Thursday.