Deepwater Asset Management's Gene Munster thinks Apple Inc. (NASDAQ:AAPL) should consider acquiring Rivian Automotive (NASDAQ:RIVN) to fill the gap left by the recently canceled Apple Car project.What Happened: Munster expressed surprise at Apple's decision to cancel the Apple Car project. He suggested that as a tech company, Apple needs to grow, and acquiring Rivian could be a potential solution.Speaking to CNBC, Munster said, "Apple's a tech company, and tech companies by definition need to grow," noting that Apple hasn't seen top-line growth in the last six quarters. He proposed that Apple