Kurt Schlosser / GeekWire
Amazon-backed electric vehicle maker Rivian races to huge stock market debut after IPO – Rivian, the electric vehicle maker with substantial backing from Amazon, is arriving with a roar in its public debut on the Nasdaq exchange today. Rivian set its IPO price at $78/share on Tuesday, valuing the startup at around $70 billion. But the stock opened at $106.75/share in its first trade …