Amazon stock was higher after announcing deliveries in 30 minutes or less for some items in two cities. Instacart stock fell. 

BRIMLEY, MI – A large, unrestricted donation from a famous philanthropist is a “game-changer” for this college in Michigan’s Upper Peninsula, according to a news release. Bay Mills Community College is the beneficiary of a $9 million donation from the Mackenzie Scott Foundation, the Bay Mills Indian Community announced. Officials have already announced plans to...

Amazon.com Inc.’s cloud unit raced to get the latest version of its artificial intelligence chip to market, renewing efforts to sell hardware capable of rivaling products from Nvidia Corp. and Google.