Roku has tumbled 33% since posting poorly received financial results. Walmart's purchase of Vizio has one analyst concerned enough to downgrade Roku, but the math still favors the niche leader. The ...

Roku's stock took a brief 10% dip in the middle of January, as retail giant Walmart entered the smart TV market by acquiring electronics maker Vizio. Roku critics saw this deal as negative news since ...

Roku's (NASDAQ:ROKU) stock dipped about 2% premarket on Tuesday after Wells Fargo downgraded the shares to Underweight from Equal Weight and lowered the price target to $51 from $77. The analysts said ...

Before long, TV home screens may have as many ads as they currently have content recommendations. Television manufacturers like Vizio, Roku, LG and Samsung are opening their home screen space to ...