One Wall Street analyst sees a plan that could help Rivian become a long-term winner.Investors didn't react well when Rivian Automotive (RIVN -1.31%) reported its first-quarter update this week. While results were largely in line with expectations, the stock slid when the company left its full-year targets intact. Investors were likely hoping for a boost in expected electric vehicle (EV) production for the year.But not everyone was disappointed. Following the report, Needham analyst Chris Pierce reiterated ...