(Bloomberg) -- Roku Inc., the maker of set-top boxes and TV software consumers use to watch Netflix Inc. and other streaming services, jumped after announcing plans to cut about 300 workers or 10% of its workforce, consolidate office space and reduce its content portfolio.Most Read from BloombergIndia’s Moment Has Arrived, and Modi Wants a New Global OrderFed Set to Double Its Economic Growth Forecast After Strong US DataSoaring US Dollar Raises Alarm as China, Japan Escalate FX PushbackStocks R