Filing: the FTC opens an investigation into Amazon’s $1.7B iRobot acquisition, requesting documents from both companies; investigations typically take a year (Dave Michaels/Wall Street Journal)

Dave Michaels / Wall Street Journal:
Filing: the FTC opens an investigation into Amazon’s $1.7B iRobot acquisition, requesting documents from both companies; investigations typically take a year  —  Federal antitrust agency sought records about deal from Amazon and iRobot this week  —  WASHINGTON—Federal antitrust enforcers …