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

Shares of China Unicom (Hong Kong) Ltd. sank 0.7% to 5.58 Hong Kong dollars on what proved to be an all-around grim trading session for the Hong Kong stock market, with the Hang Seng Index falling 0.3% to 24761.13.

This was the stock's third consecutive day of losses.

China Unicom (Hong Kong) Ltd. closed 44% below its 52-week high of HK$9.92, which the company reached Nov. 10.

The stock underperformed when compared to some of its competitors, as China Mobile Ltd. rose 0.1% and China Telecom Corp. Ltd. rose 0.1%.

Trading volume totaled 14.2 million shares, compared to the 50-day average of 42.5 million shares.

Data source: Dow Jones Market Data, FactSet