Amazon faces a prove-it moment as investors question whether Big Tech’s AI data-center spending can scale without crushing free cash flow, and Thursday is the verdict when the tech giant reports quarterly earnings.

Microsoft (MSFT) and Amazon (AMZN) will report quarterly results on July 29 and July 30, respectively. Both stocks carry Strong Buy ratings from...

Amazon faces a prove-it moment as investors question whether Big Tech’s AI data-center spending can scale without crushing free cash flow, and Thursday is the verdict when the…