Roku's Stock Slide on Walmart Deal Doesn't Make Sense

Shares of Roku (ROKU 0.79%) have fallen sharply since the company posted disappointing financial results last month. The streaming video pioneer's stock has fallen in nine of the past 11 trading days, shedding a third of its value in the process.Analysts have been cooling on Roku following the uninspiring fourth-quarter report. The latest Wall Street downgrade, coming from Steven Cahall at Wells Fargo, didn't even lead with the rough financial performance in lowering his rating on Roku from equal weight to ...