Stocks in Hong Kong are volatile | coal stocks surged in the final hour with the expansion of the clean and efficient utilization of coal standards, coking coal and coke futures sharply rose today.

According to the Wisdom Finance APP, coal stocks have expanded their gains in the final trading hours. As of the time of writing, Yanzhou Coal Mining (01171.HK) rose by 2.23% to HK$10.09; China Shenhua Energy (01088.HK) rose by 1.98% to HK$39.22; China Coal Energy (01898.HK) rose by 1.56% to HK$10.4; and Yidianzong (01733) rose by 1.1% to HK$0.92.