Rivian Automotive RIVN shares declined on Wednesday after the electric vehicle manufacturer posted mixed second-quarter results and issued a downbeat outlook, prompting a round of price target cuts from Wall Street analysts.The company reported second-quarter revenue of $1.303 billion, a 5.1% year-over-year increase that slightly surpassed the Street consensus estimate of $1.29 billion, according to Benzinga Pro.However, the adjusted loss of 97 cents per share came in wider than the expected 76 cents per sh ...