File - This Nov. 16, 2016, file photo shows the Roku Premiere streaming TV device in New York. Video streaming pioneer Roku hopes to raise just over $252 million in an initial public offering as it tries to expand into more households. The Los Gatos, Calif., company on Monday, Sept. 18, 2017, said it would offer about 18 million shares of stock at $14 apiece. (AP Photo/File)

Roku aims to raise $252 million with IPO

Video streaming pioneer Roku hopes to raise just over $252 million in an initial public offering as it tries to expand into more households.