$Rivian Automotive (RIVN.US)$ saw financial giants take bearish options on the stock Friday even as the share price climbed to a six-month high, tracking gains across the electric vehicle industry, including its biggest rival $Tesla (TSLA.US)$.
Six unusual bearish trades were posted Friday, the biggest of which involved a buyer paying a $1.1 million premium for put options that give the holder the right to s...