Amazon buys robot vacuum maker for $1.7 billion.

Aug 5 (Reuters) – Inc (AMZN.O) will acquire iRobot Corp (IRBT.O), maker of the robotic vacuum cleaner Roomba, in an all-cash deal for about $1.7 billion in the latest push by the world’s largest online retailer to expand its stable of smart home devices.

Amazon will pay $61 per share, valuing iRobot at a premium of 22% to the stock’s last closing price of $49.99.