iRobot recently traded at $117.53, up 18.79%, and has doubled over the past year. It already has traded more than 10 times its average daily trading volume on Monday.
IRobot shares have risen for an eighth straight session, the longest advance since early 2019, according to data from Bloomberg.
As for GameStop, TheStreet's Jim Cramer said it was "one of the most amazing short squeezes ... This is one of the wonders of the world."
"If you’re short this stock, you have to ask, am I going to be in business," Cramer said.