iRobot can't really see the market need while competitor like neato and LG are offering better product with lower price. In China market, Xiao Mi and other local copycats are also selling well.
It would be a surprise for Apple after Samsung's Note 7 explosion events. Looks like iPhone 7 is not meeting people's expectation and many are looking for the next year huge remodel iPhone which has been rumored for a long time.