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

Shares of CNOOC Ltd. advanced 1.2% to 23.68 Hong Kong dollars on what proved to be an all-around positive trading session for the Hong Kong stock market, with the Hang Seng Index rising 0.5% to 24642.51.

CNOOC Ltd. closed 24% short of its 52-week high of HK$30.98, which the company reached March 23.

The stock underperformed when compared to some of its competitors, as China Petroleum & Chemical Corp. rose 1.7% and PetroChina Co. Ltd. rose 3.1%.

Trading volume totaled 93.5 million shares, compared to the 50-day average of 63.8 million shares.

Data source: Dow Jones Market Data, FactSet