Not many electric vehicle (EV) stocks have thrived in the current market downturn, but Rivian (NASDAQ:RIVN) is bucking the trend. The EV upstart has seen multiple positive developments, pushing its stock price into high gear. However, despite Rivian stock surging by 94% in the past three months, several factors fuel skepticism over its long-term bull case. The flip side to that story is also somewhat compelling, making it best to hold Rivian stock now.Rivian was one of the many EV startups that went public ...