$Rivian Automotive(RIVN.US)$, the electric vehicle maker, saw its shares soar 14% today, marking its eighth consecutive day of gains. The rally was fueled by a bullish report from Wedbush, which raised its price target for the stock by 20%. Investors also showed more confidence in Rivian’s prospects, as evidenced by the rising open interest for its call options with a strike price of $40.00 and an expirat...