This article was automatically generated by Dow Jones using technology from Automated Insights.

Shares of Sunny Optical Technology Group Co. Ltd. slid 2.1% to 62.05 Hong Kong dollars on what proved to be an all-around rough trading session for the Hong Kong stock market, with the Hang Seng Index falling 2.6% to 23972.29.

The stock's fall snapped a two-day winning streak.

Sunny Optical Technology Group Co. Ltd. closed 32% below its 52-week high of HK$91.10, which the company reached Oct. 9.

Trading volume totaled 5.0 million shares, compared to the 50-day average of 11.1 million shares.

Data source: Dow Jones Market Data, FactSet