Rivian Founder worth $2.2 bn as shares surge 57% in 2 days after IPO

Rivian Founder and CEO RJ Scaringe's stake in the electric vehicle startup has given him a net worth of at least $2.2 billion. Rivian went public in the US on Wednesday and its shares have surged 57% since then, valuing the company at almost $107 billion. Rivian, which has never recorded revenue, has become world's fifth-largest automaker by market cap.