Summary: Here's everything you must know before Friday's opening bell: Warren Buffett has reportedly purchased 75 million more shares of Apple . Xerox said its board & management team will remain in place after a settlement with Carl Icahn & Darwin Deason expired. Twitter has told all users they should change their passwords. U.S. stock futures pointed lower ahead of the U.S. jobs report. Join Jim Cramer on May 5 in New York City for an exclusive investing boot camp. Secure your spot here. Subscribe to our Youtube Channel for extended interviews, Cramer Replays, feature content, and more!
