Summary: Here's everything you must know before Tuesday's opening bell: Shares of Alphabet rose premarket after it easily beat first-quarter earnings and revenue expectations. Amazon has begun work on a domestic robot nicknamed 'Vesta.' United Airlines CEO Oscar Munoz gave up his 2017 bonus. Investors will analyze earnings from Coca-Cola , Verizon and more. U.S. stock futures were higher despite rising bond yields. Subscribe to our Youtube Channel for extended interviews, Cramer Replays, feature content, and more!
