iRobot got a meme-stock bump, but don't robotically follow the crowd and end up making a hasty choice. iRobot (IRBT -4.85%) stock has been a somewhat volatile investment option in the consumer goods space. The company is mainly known for one product line, the Roomba robotic vacuum cleaner. If iRobot sells a lot of Roombas, its investors clean up, so to speak. If they don't, iRobot's stock performance tends to suck, and not in a good vacuum-y way. Since mid-2021, it's been more of a sucking sound. But what d ...