Investors seemed to be tuning out Roku (ROKU -8.15%) stock in recent trading days. According to data compiled by S&P Global Market Intelligence, they pushed the specialty consumer electronics company's shares down by just under 18% week to date as of Friday morning. An analyst's deep price target cut played quite a role in this.Tariff and macroeconomic woesOn Wednesday, Jason Bazinet of influential bank Citigroup made quite a significant change to his fair value assessment of Roku.Bazinet now believes the s ...