Microsoft stock posts biggest one-day gain ever after Azure forecast
July 31, 2026, 4:32 p.m. ETMicrosoft MSFT.O added nearly $450 billion in market value on Thursday, the largest one-day gain on record for a company, after it forecast stronger-than-expected cloud growth and signaled continued cash generation through its new fiscal year.The software giant's shares closed up more than 15%, lifting its market capitalization to $3.35 trillion, surpassing chip giant Nvidia's NVDA.O previous record one-day gain of $441 billion on April 9, 2025, according to LSEG data."Microsoft reported a very strong quarter and it struck the tone markets are looking to hear as the key drivers of...