[U.S. Stock Market Close: Mixed Performance Among Major Indexes, XPeng Rises Over 7%] Jinshi Data, October 21 — U.S. stock markets closed on Tuesday with the Dow Jones Industrial Average preliminarily up 1.06%, the S&P 500 down 0.29%, and the Nasdaq down 0.02%. SK Hynix (SKHY.O) fell 2%, General Motors (GM.N) dropped 6.8%, Western Digital (WDC.O) rose 3%, and Apple (AAPL.O) declined 1%. The Nasdaq Golden Dragon China Index gained 0.69%, while XPeng Motors (XPEV.N) surged over 7%.