$RIVN +38% premkt RIVIAN STOCK ROCKETS AFTER VOLKSWAGEN INVESTMENT • Shares of Rivian rocketed following news that Volkswagen plans to invest up to $5 billion in the electric-pickup maker. • Rivian stock rallied over 35% in premarket trading to around $16.50. • If it holds those gains through Wednesday's trading, the shares will register their highest close since February. • The stock was also on course to record its biggest-ever jump in percentage terms, beating the 22% gain it scored on its debut. • The stock remains far off its all-time high of $172.01, reached in November 2021, days after the company's huge initial public offering. • The Volkswagen investment comes as part of a software-development partnership.