Big tech firms are investing heavily in artificial intelligence infrastructure. Their capital expenditures may soon exceed free cash flow generation. Microsoft and Amazon show early AI revenue growth signs. However, investors worry about sustained spending and cash depletion. Oracle's shares have fallen significantly amid negative free cash flow.

July 22 : U.S. hyperscalers are starting to show returns on their artificial intelligence investments, but the rising cost of the buildout is taking a bite out of their free cash…

Big tech firms are investing heavily in artificial intelligence infrastructure. Their capital expenditures may soon exceed free cash flow generation. Microsoft and Amazon show…