Competitor challenges Roomba By: MarketMinute.com Stock News September 13, 2017 at 20:15 PM EDT SharkNinja introduced its new Shark ION Robot robotic vacuum to compete against iRobot Corp.'s (Nasdaq: IRBT) Roomba. Shares of iRobot collapsed $15.76 to close at $85.11. Related Stocks: Irobot Corp
