[Top 20 U.S. stock turnover: Rivian shares plunged nearly 23%, the company intends to issue $1.5 billion in debt] The so-called "Tesla killer" electric car manufacturer Rivian Automotive closed down 22.88%, trading $3.616 billion. After the market closed on Wednesday, the U.S. Securities and Exchange Commission (SEC) published a filing showing that Rivian plans to issue $1.5 billion of green convertible senior bonds due in 2030. The company also said buyers will have the option to purchase an additional $225 million worth of bonds.