Rivian stock has been on a roller-coaster ride since going public in 2021. Is it too late to buy in?Since going public in 2021, Rivian (RIVN 4.92%) has worked hard to become a household name. It's not quite there, but it is gaining recognition. The company recently received a J.D. Power award for most satisfying ownership experience. And Consumer Reports just named it one of the most beloved car brands, with 86% of owners saying they'd buy a Rivian again. The increased hype is driving impressive sales growt ...