U.S.-listed Chinese companies traded higher on Tuesday, 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 Li Auto and JD.com surged 8.74 percent and 6.69 percent, respectively, leading the advance in the top 10 stocks.

Shares of Pinduoduo and Baidu added 5.91 percent and 5.28 percent, respectively, also among the best performers in the top 10 stocks.

Wall Street's major indexes ended mixed on Tuesday as investors awaited Federal Reserve Chairman Jerome Powell's speech and a slew of key economic data.

The Dow Jones Industrial Average increased 3.07 points, or 0.01 percent, to 33,852.53. The S&P 500 decreased 6.31 points, or 0.16 percent, to 3,957.63. The Nasdaq Composite Index fell 65.72 points, or 0.59 percent, to 10,983.78.

The Cboe Volatility Index, widely considered as the best fear gauge in the stock market, dipped 1.44 percent to 21.89.

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 2,303.75, marking a 22.61-percent increase for the month-to-date returns and a 22.65-percent loss for the year-to-date returns.