Rivian shares soar on massive cash injection from Volkswagen, starting immediately with $1 billion ABC NewsRivian’s Lifeline Is a $5 Billion Gamble for Volkswagen The Wall Street JournalA lifeline for Rivian? Volkswagen-Rivian launch joint venture Yahoo FinanceRivian secures up to $5 billion from Volkswagen, shares soar more than 50% CNBCWhat are these hidden vehicles in Rivian’s shareholder letter? Electrek.co