Rivian, the electric vehicle maker backed by Amazon (AMZN) and Ford (F), made its Wall Street debut on Wednesday, surrounded by mania that befits a market that appears to be defying gravity.
What's happening: The company priced its stock above the expected range at $78 apiece, allowing it to raise an estimated $11.9 billion. That's the biggest haul for a US firm since Facebook brought in $16 billion in 2012. READ MORE