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美国煤炭上市公司隶属于“非金属矿产开采”行业或“工业金属和矿物质”行业。2010-2014年,美国15家煤炭上市公司经济效益好的2家,占13%,经济效益一般的3家,占20%,经济效益较差的10家,占67%。这种总体不太好的财务现状有多方面的背景,最主要的是全球石油价格的影响,即全球石油价格下跌,一些使用煤炭能源的企业选择了使用便宜石油,煤炭市场出现萧条。
US-listed coal companies belong to the “non-metallic mineral exploration” industry or “industrial metals and minerals” industry. From 2010 to 2014, there are 2 good economic benefits of 15 listed coal companies in the United States, accounting for 13%, 3 with average economic efficiency of 20% and 10 with poor economic efficiency accounting for 67%. The overall not-so-good financial situation is multifaceted. The most important one is the impact of global oil prices, which are the drop in global oil prices. Some companies that use coal energy have opted to use cheaper oil and the coal market has become sluggish.