煤炭股集体回调，中煤能源跌超6%，江钨装备跌超5%

Core Viewpoint - The coal sector in the A-share market experienced a collective decline following a significant drop in oil prices, with major companies seeing substantial losses in their stock prices [1]. Group 1: Market Performance - Major coal stocks such as China Coal Energy fell over 6%, while Jiangxi Copper Equipment dropped more than 5% [1]. - Other companies like Shanxi Black Cat, Yanzhou Coal, and Haohua Energy saw declines exceeding 4% [1]. - A broader range of companies, including China Shenhua and Shanxi Coking Coal, experienced declines of over 2% [1]. Group 2: Stock Data Summary - China Coal Energy (601898) reported a decline of 6.65%, with a total market value of 225.3 billion and a year-to-date increase of 16.99% [2]. - Jiangxi Copper Equipment (600397) saw a decrease of 5.62%, with a market capitalization of 19.1 billion and a year-to-date increase of 19.32% [2]. - Shanxi Black Cat (601015) experienced a drop of 4.14%, with a market value of 9.457 billion and a year-to-date increase of 4.63% [2]. - Other notable declines include Haohua Energy (600188) down 4.09% and China Shenhua (601088) down 2.92%, with respective market values of 195.2 billion and 924.9 billion [2].