Alphabet is reminding investors of a early warning of past tech-stock wrecks — negative free cash flow. The risk in the S&P 500 is growing.

(Bloomberg) -- Stocks fell ahead of Alphabet Inc.’s earnings as traders waited for the clearest read yet on whether the vast sums technology hyperscalers are pouring into…

The market reaction to the results of Google’s parent Alphabet and Elon Musk’s Tesla suggests that investors are becoming increasingly wary of the tech giants’ ballooning spending…