NEW YORK, June 8 (Xinhua) -- U.S.-listed Chinese companies traded higher on Wednesday with all the top 10 stocks by weight in the S&P U.S. Listed China 50 index ending the day on an upbeat note.

       Shares of Alibaba Group Holding and Pinduoduo soared 14.67 percent and 9.73 percent, respectively, leading the gains in the top 10 stocks in the index.

       Shares of JD.com and Bilibili surged 7.66 percent and 5.99 percent, also among the best performers in the top 10 stocks.

       U.S. stocks fell on Wednesday, snapping a two-day winning streak.

       The Dow Jones Industrial Average decreased 269.24 points, or 0.81 percent, to 32,910.90. The S&P 500 dipped 44.91 points, or 1.08 percent, to 4,115.77. The Nasdaq Composite Index dropped 88.96 points, or 0.73 percent, to 12,086.27.

       The Cboe Volatility Index, widely considered as the best fear gauge in the stock market, slid 0.25 percent to 23.96.

       As of Tuesday, the S&P U.S. Listed China 50 index, which is designed to track the performance of the 50 largest Chinese companies listed on U.S. exchanges by total market cap, stood at 2,659.33, marking an 8.41-percent gain for the month-to-date returns and a 10.71-percent loss for the year-to-date returns.