U.S. stocks close: three major stock indexes mixed

U.S. stocks closed Friday with the Dow initially closing up 124.56 points or 0.32%, the SP 500 up 0.16% and the Nasdaq down 0.03%. Extreme Krypton closed up 33.9% at $28.13 on its first day of U.S. trading, giving it a market capitalization of $6.867 billion. Novavax Pharmaceuticals (NVAX.O) rose 98.6%. The Nasdaq China Golden Dragon Index fell 0.58 percent, with Xiaopeng Automobile (XPEV.N) down 5.2 percent, Azera Motors (NIO.N) down 4.7 percent, and Ideal Motors (LI.O) down 2.2 percent.