Core Natural Resources (CNR) Stock Jumps on Leer South Restart: 2026 Outlook, Analyst Targets, and What to Watch

Core Natural Resources, Inc. shares surged Thursday after the coal producer announced a major operational milestone: the restart of longwall mining at its Leer South metallurgical mine in West Virginia. The move helped push CNR stock to about $90 in late trading, up roughly 8% on the day, with the session ranging from the low $80s to low $90s.