NEW YORK, May 24 (Xinhua) -- U.S.-listed Chinese companies traded lower on Tuesday with all the top 10 stocks by weight in the S&P U.S. Listed China 50 index ending the day on a downbeat note.

       Shares of Bilibili and BeiGene tumbled 11.96 percent and 9.01 percent, respectively, leading the losses in the top 10 stocks in the index.

       Shares of Pinduoduo and NIO decreased 8.63 percent and 8.56 percent, respectively, also among the worst performers in the top 10 stocks.

       U.S. stocks closed mixed on Tuesday as tech sell-off resumed on Wall Street.

       The Dow Jones Industrial Average rose 48.38 points, or 0.15 percent, to 31,928.62. The S&P 500 fell 32.27 points, or 0.81 percent, to 3,941.48. The Nasdaq Composite Index dipped 270.82 points, or 2.35 percent, to 11,264.45.

       The Cboe Volatility Index, widely considered as the best fear gauge in the stock market, rose 3.41 percent to 29.45.

       As of Monday, 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 2,260.34, marking a 3.98-percent slide for the month-to-date returns and a 24.11-percent loss for the year-to-date returns.