Shares of NIO and Pinduoduo slipped 3.79 percent and 1.88 percent, respectively, leading the laggards in the top 10 stocks in the index.
Shares of NetEase and New Oriental Education & Technology Group rose 0.65 percent and 0.48 percent, respectively, the only two gainers in the top 10 stocks.
U.S. stocks finished mixed on Wednesday amid weakness in tech names.
The Dow Jones Industrial Average rose 53.62 points, or 0.16 percent, to 33,730.89. The S&P 500 lost 16.93 points, or 0.41 percent, to 4,124.66. The Nasdaq Composite Index slid 138.26 points, or 0.99 percent, to 13,857.84.
The Cboe Volatility Index, widely considered as the best fear gauge in the stock market, climbed 2.04 percent to 16.99.
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 4,923.29, marking a 0.62-percent loss for the month-to-date returns and a 5.77-percent slide for the year-to-date returns.
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