CANONSBURG - Core Natural Resources, Inc. (NYSE:CNR) has resumed longwall operations at its Leer South metallurgical mine in West Virginia, the company announced Thursday. The stock, currently trading ...

CANONSBURG, Pa., Dec. 18, 2025 /PRNewswire/ -- Today, Core Natural Resources, Inc. (NYSE: CNR) ("Core," the "company," "we" or "our") announced that it has resumed longwall operations at its Leer ...