In the last six trading days, Tesla was the top stock purchase on SoFi. The electric automaker even passed Apple in the SoFi investing platform in January.

Tesla´s shares have doubled this year, and the volatility has eased a little bit on Thursday with shares up 5% and, in the past year, had an increase of 148%.

There is a risk of the shares becoming a bubble since they got 17% up in a single day. According to the SoFi platform, there are a significant number of users between 25 to 40 years old.