Tesla competitor Nikola is doomed to fall 40% in a month, famed short-seller says (NKLA)

· *Nikola Corp. has been on a tear since it went public last week, with the stock doubling in a single day as investors, hungry for another Tesla-like stock to invest in, piled into the name.*
· *At one point, Nikola Corp., which has yet to sell a single car or generate revenue, saw its market valuation surpass car giants that...