NEW YORK, April 25 (Xinhua) -- U.S.-listed Chinese companies traded mostly lower on Wednesday, with eight of 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 TAL Education Group and shares of BeiGene, dropped 4.01 percent and 2.23 percent respectively, leading the laggards in the top 10 stocks of the index, while shares of JD.com rose 0.03 percent as the only advancer among the 10 stocks.

At Wednesday's close, shares of Baidu, another Chinese famous tech giant listed in the U.S. equity market, was unchanged from its previous day's close price of 231.41 U.S. dollars apiece.

U.S. stocks ended mixed on Wednesday as investors were monitoring the bond market as well as the latest corporate earnings.

At the close, the Dow Jones Industrial Average increased 59.70 points, or 0.25 percent, to 24,083.83. The S&P 500 rose 4.84 points, or 0.18 percent, to 2,639.40. The Nasdaq Composite Index decreased 3.61 points, or 0.05 percent, to 7,003.74.

The Cboe Volatility index, widely considered the best fear gauge in the stock market, fell 1.00 percent to 17.84 on Wednesday.

As of Monday, the S&P U.S. Listed China 50 index stood at 2,973.70, marking a 3.56-percent decline for the month-to-date returns and a 3.80-percent decrease for the year-to-date returns.