Rivian Automotive (RIVN) is looking to challenge Tesla (TSLA), Ford (F) and General Motors (GM) with its adventure-styled electric vehicles. RIVN shares surged 40% in December 2023 but have come back to earth in 2024, falling  50%. X Chief Executive RJ Scaringe on June 10 sold 71,429 RIVN shares for a market value of $820,883.50, […]