Chemtura (CHMT +5.3%) shares surge after Oppenheimer upgrades its rating on the maker of...

|About: Chemtura Corporation (CHMT)|By:, SA News Editor

Chemtura (CHMT +5.3%) shares surge after Oppenheimer upgrades its rating on the maker of additives for plastics to Outperform, "as its long restructuring post-bankruptcy takes hold, Q4's margin expansion looks to have legs, and the rebound in electronics flame retardants, its most profitable segment, is faster than expected."