CLMT ▲ +0.7% - Calumet, Inc. $CLMT - Calumet Provides Update After Latest U.S. EPA Small Refinery Exemption Decision Calumet shares rose 0.7% after the company provided an update following the latest U.S. EPA decision on small refinery exemptions. The exemption decision directly affects Calumet's refining operations and compliance costs, making regulatory clarity a potential driver of investor confidence in the stock's near-term outlook. 02-SEP-2026 08:13 AM ET