Missed Roku's 53% Rally? You Might Not Be Too Late.

The smart-TV pioneer has been soaring since hitting an 18-month low last month. One of this year's biggest sinkers turned out to be a back-to-school sale. Shares of Roku (ROKU 5.67%) have rallied 53% since bottoming out last month, a spectacular late summer surge that even bulls probably didn't see coming. The catalyst isn't easy to pinpoint. Roku kicked off last month with seemingly blowout results, but the market didn't read it that way. At least four analysts would slash their price targets on the shares ...