This recent purchase of Alpha Metallurgical Resources (AMR) stock may be worth noting for retail investors. Here's why.Alpha Metallurgical Resources, Inc. operates as a leading coal producer with a focus on metallurgical and thermal coal markets. The company leverages a portfolio of active mines and preparation facilities to supply coal to domestic and international customers. Its strategic presence in key mining regions supports its ability to meet the demand for high-quality coal, positioning it as a sign ...