The 2020 selloff is trimming Roku's price bubble that started in 2018 and peaked in 2019.

See Selloff is Taking Out Beyond Meat's Price Bubble.

See Selloff is Taking Out Boeing's Steep Upside.

See Selloff is Taking Out Tesla's Price Bubble Upside.

See Down from Stock Price Top Calculator.

See Stock Trendline Calculator and Chart Maker.

See Stock Price Pattern Analyzer - Bubble Top.