iRobot, the maker of the Roomba vacuum cleaner, filed for bankruptcy protection on Sunday, saying that it would go private after being bought by Picea Robotics, its primary manufacturer. The company, which raised concerns about staying in business in March, filed for Chapter 11 protection in Delawar e bankruptcy court as it grapples with increased competition from lower-priced rivals and new U.S. tariffs. ...read more read less