Washington Post

The Federal Trade Commission said it would probe past mergers by Alphabet, Apple, Amazon, Facebook and Microsoft, seeking to study the ways that tech giants gobbled up their rivals — and if their acquisitions may have skirted federal antitrust laws. The new effort by the FTC will require all five companies to provide information about the smaller players they've purchased over the past 10 years, including documents for deals that may not have been large enough to warrant deep, closer inspection by government watchdogs at the time.