CANONSBURG, Pa., June 30, 2025 /PRNewswire/ -- Today, Core Natural Resources, Inc. (NYSE: CNR) ("Core") provided an update on its ongoing efforts to resume longwall operations at its Leer South mine ...

The share price of Core Natural Resources, Inc. (NYSE:CNR) surged by 3.98% between December 12 and December 19, 2025, putting it among the Energy Stocks that Gained the Most This Week. Core Natural ...

PHILIPPI, W.Va. — Longwall mining operations have resumed inside Core Natural Resources’ Leer South Mine in Barbour County. Mining at the site was halted on January 13th due to an underground fire.

Re-enters the mine on June 10th, consistent with previously provided timeline Re-establishes ventilation, conducts a full inspection of the mine, restores hydraulic pressure along the longwall face, ...