Why Rivian Stock Was Electric This Week

Rivian is getting exactly what it needs from a new joint venture -- and investors took notice.Shares of the electric vehicle (EV) maker Rivian Automotive (RIVN -2.68%) accelerated this week after the company announced a new joint venture with Volkswagen, which gives Rivian an initial $1 billion in cash. That was the main headline for Rivian this week, but the company's stock also benefited from an analyst initiating coverage of Rivian's stock and slapping a buy rating on it.The combined news put Rivian's st ...