Do you like roller-coaster rides? If not, then you probably shouldn’t invest in electric vehicle (EV) manufacturer Nikola (NASDAQ:NKLA). There’s actually some positive news to report about Nikola, but if you buy Nikola stock, be ready for a thrill ride that might not end well for you.Nikola specializes in electric trucks for commercial use and the company has been the focus of controversy in the past. In particular, Nikola founder Trevor Milton was convicted of securities fraud as well as wire fraud a coupl ...