Microsoft Stock After Hours Today (Dec. 17, 2025): MSFT Holds Near $476 as OpenAI–Amazon Talks and CPI Loom—What to Know Before Thursday’s Open
Microsoft closed at $476.09 Wednesday, down 0.06%, then rose to $476.67 in early after-hours trading. Shares moved little as investors weighed OpenAI funding talks involving Amazon and awaited Thursday’s U.S. inflation data. Microsoft holds a 27% stake in OpenAI and exclusive rights to sell its models. Morgan Stanley reiterated Microsoft as its top software pick, citing Azure’s AI profitability.