October 6 (SeeNews) - Moody's Investors Service said on Tuesday it upgraded the long-term local and foreign currency deposit ratings of Slovenia's two largest banks - Nova Ljubljanska Banka (NLB) [LJE:NLBR] and Nova Kreditna Banka Maribor (Nova KBM), to Baa1 from Baa2, following the recent sovereign rating upgrade.