Amazon said it expects to spend over $100 billion in capital expenditures this year, making it the latest tech giant to say it's ramping up investments in artificial intelligence infrastructure.

Amazon fell late on guidance, but Fortinet, Affirm and Doximity led tech earnings winners late. Tesla stock is at a critical ...

US stocks mostly rose on Thursday as investors look at earnings. Amazon issues weak sales outlook after the close. Monthly jobs data due Friday.