The Ratings Game: Rivian stock falls more than 10% as Wall Street worries about ‘early bumps’

Rivian Automotive Inc. stock fell more than 10% on Friday as Wall Street worried about the newly minted public company’s production ramp amid supply-chain problems, a tight labor market and higher costs.

Rivian Automotive Inc. stock fell more than 10% on Friday as Wall Street worried about the newly minted public company’s production ramp amid supply-chain problems, a tight labor market and higher costs.