A 17% surge on Tuesday to $909.75 followed a 20% to $780 at the start of the week. READ: Tesla puts the pedal to the floor as quarterly earnings top estimates Having started 2020 at what was a high of around $430, the stock has ridden higher on the back of successive impressive quarterly earnings reports and has notched up a gain of more than 3,000% over the past decade. Chief executive officer Elon Musk, taking time away from dabbling in electronic dance music, was impressed enough to show his feelings on Twitter with some flame emoji. ????????????