Rivian Automotive (NASDAQ:RIVN) is leading the electric vehicle complex into Friday afternoon. The stock is up 8% to $16.42 as of midday trading, after closing Thursday at $15.20. The pop comes on a session that has seen peers stall. Tesla (NASDAQ:TSLA) stock is off 1% at $436, while Nio (NYSE:NIO) stock is down 1% at ... Rivian Rallies 8% as Tesla, Nio Stall: R2 Launch and Software Growth in Focus