NEW YORK, May 11 (Xinhua) -- U.S.-listed Chinese companies traded mostly lower on Friday, with six of all top 10 stocks by weight in the S&P U.S. Listed China 50 index ending the day on an downbeat note.

Shares of TAL Education Group fell 2.14 percent to close at 41.10 U.S. dollars apiece, the biggest laggard among the 10 stocks. Meanwhile, stocks of Chinese bio-pharmaceutical company BeiGene, Ltd., the biggest advancer, gained 2.44 percent in market closing.

As of Thursday, the S&P U.S. Listed China 50 index stood at 3,188.34, marking a 4.14-percent increase for the month-to-date returns and a 3.15-percent gain for the year-to-date returns.

U.S. stocks closed mixed on Friday as investors meditated on a batch of economic reports.

The Dow Jones Industrial Average was up 91.64 points, or 0.37 percent, to 24,831.17. The S&P 500 rose 4.65 points, or 0.17 percent, to 2,727.72. The Nasdaq Composite Index was down 2.09 points, or 0.03 percent, to 7,402.88.