Rivian Automotive Inc (NASDAQ:RIVN) shares are trading higher in Monday’s after-hours session, in possible sympathy with Lucid Group Inc (NADQ: LCID), which jumped after reporting second-quarter financial results. What Happened With Lucid: Lucid reported second-quarter revenue of $200.6 million, beating average analyst estimates of $192.059 million, according to Benzinga Pro. The EV maker reported an adjusted loss of 29 cents per share, missing estimates for a loss of 26 cents per share. Lucid said it produced 2,110 vehicles and delivered 2,394 vehicles during the second quarter. The company a…