On Wednesday Eastern Time, after the Federal Reserve's interest rate decision was announced, the three major US stock indexes experienced a late day plunge, with mixed closing gains and losses. As of the close, the Dow Jones Industrial Average rose 0.23%, the S&P 500 index fell 0.33%, and the Nasdaq fell 0.34%. On Wednesday, popular Chinese concept stocks fluctuated, with the Nasdaq China Golden Dragon Index (HXC) closing 0.58% higher. NIO rose by over 11%.