U.S. Markets close in 5 hrs 25 mins

Calumet Specialty Products Partners, L.P. -- Moody's changes Calumet Specialty's outlook to stable from negative; Caa1 CFR affirmed

Moody's Investors Service (Moody's) changed the ratings outlook for Calumet Specialty Products Partners, L.P. (Calumet) to stable from negative. It also affirmed the Caa1 Corporate Family Rating (CFR) and Caa2 ratings on the existing senior unsecured notes.