Why Did Roku Stock Slip Over 10% This Week?

Shares of Roku (ROKU 1.60%) sank over 10% this week, according to data from S&P Global Market Intelligence. The TV streaming platform continued to fall despite broad market gains after Walmart inched closer to buying competitor Vizio Holding (VZIO 0.05%). It doesn't help that Roku just posted poor earnings for the fourth quarter of 2023, either.As of this writing, shares of Roku are off 87% from all-time highs and are currently under $65. At one point in 2021, Roku stock was above$400.Walmart's troubling p ...