** Specialty chemicals and renewable fuel manufacturer
Calumet's shares CLMT.O rise 1.25% to $17.42
** Co says operations at Montana Renewables facility have
returned to normal after completing maintenance
** A leak in the steam recovery system detected at the plant
in August led to it operating at reduced capacity
** The Great Falls, Montana facility produces 30 million
gallons of aviation fuel annually
** Including session's gains, stock has risen 3.20% YTD
(Reporting by Kabir Dweit)
((Kabir.Dweit@thomsonreuters.com))