Group 1 - Coal stocks experienced significant gains in the afternoon, with Yanzhou Coal Mining (01171) up 5.81% to HKD 9.83, China Qinfa (00866) up 3.79% to HKD 3.01, China Shenhua (01088) up 2.42% to HKD 38.02, and China Coal Energy (01898) up 1.06% to HKD 9.57 [1] - On September 15, the domestic coking coal futures market saw a strong upward trend, with both coking coal and coke futures rising over 5% during the session [1] - A coal mine in Luliang, Shanxi Province, was reported to have suspended production on September 14, with an uncertain timeline for resumption and a certified capacity of 1.2 million tons [1] Group 2 - According to Zheshang Securities, the expectation of a seasonal downturn in September is suppressing coal prices, with spot prices gradually approaching long-term contracts, indicating a potential bottoming out and rebound in coal prices [1] - As coal prices align more closely with long-term contracts (with low calorific value discounts), downstream purchasing activity is expected to increase [1] - Looking ahead to the fourth quarter, supply and demand are anticipated to gradually balance, leading to a steady rise in coal prices, maintaining an "optimistic" rating for the industry [1]