iRobot (IRBT) Gets a Rash of Upgrades

iRobot (IRBT) closed up 6.64% yesterday (02013.12.16) at $31.30. 52-week range: $17.97 - $41.12. Yesterday's volume was 2.5 times the trailing-3-month average. At least three investment firm upgraded their IRBT ratings. One example headline: "iRobot upgraded to Strong Buy from Market Perform at Raymond James". It appears as though Google's recent robotics investments has turned the spotlight on the robotics industry.