Elon Musk, chief executive officer of Space Exploration Technologies Corp. (SpaceX) and Tesla Inc., listens as Jim Bridenstine, administrator of the U.S. National Aeronautics and Space Administration (NASA), not pictured, speaks during an event at SpaceX headquarters in Hawthorne, California, U.S., on Thursday, Oct. 10, 2019. SpaceXs Elon Musk and NASA Administrator Jim Bridenstine staged a public show of support for one another at the rocket companys headquarters Thursday, weeks after the two traded barbs over the closely held companys delayed efforts to fly astronauts for the first time. Photographer: Patrick T. Fallon/Bloomberg via Getty Images
Elon Musk, founder of SpaceX and chief executive officer of Tesla Inc., arrives at the Axel Springer Award ceremony in Berlin, Germany, on Tuesday, Dec. 1, 2020. Tesla Inc. will be added to the S&P 500 Index in one shot on Dec. 21, a move that will ripple through the entire market as money managers adjust their portfolios to make room for shares of the $538 billion company. Photographer: Liesa Johannssen-Koppitz/Bloomberg