Shares of Rivian Automotive, Inc. (NASDAQ:RIVN) climbed in premarket trading on Friday as they carried forward the momentum from the previous session. On Thursday, Rivian climbed about 6.2% to $16.11, and the upside was accompanied by heavy volume. About 57.77 million shares exchanged hands as opposed to the average three-month volume of 34.09 million. The Irvine, California-based company announced Thursday that it has introduced two new entry-level battery options, namely Standard and Standard+