January 30 (SeeNews) - Moody's Investors Service said on Thursday it has upgraded the long-term deposit ratings of Slovenia's Nova Ljubjanska Banka (NLB) and Nova Kreditna Banka Maribor (NKBM) to Caa1 from Caa2, and of Abanka Vipa (Abanka) to Caa2 from Caa3.