$Rivian Automotive, Inc.(RIVN)$,the EV automaker and automotive technology company is going to go public as soon as next week, and retail traders can get into the IPO on $SoFi Technologies Inc.(SOFI)$. Rivian said it is offering 135 million shares priced between $57 and $62, putting valuation up to near $55 billion. And the company is backed by $Amazon.com(AMZN)$ and $Ford(F)$ So compared to