Roku posts revenue of $320.8M for Q1, up 55% YoY, and a net loss of $54.6M, warns that ad revenue growth will slow this year; stock down 9%+ after hours (Todd Spangler/Variety)

Todd Spangler / Variety:
Roku posts revenue of $320.8M for Q1, up 55% YoY, and a net loss of $54.6M, warns that ad revenue growth will slow this year; stock down 9%+ after hours  —  Roku's first-quarter revenue beat Wall Street estimates as COVID-19 quarantines have resulted in a massive streaming surge for the company.