August 9 (SeeNews) - Fitch Ratings said on Thursday it has downgraded the Long-term Issuer Default Ratings (IDRs) of Slovenia's Nova Ljubljanska Banka (NLB), Nova Kreditna Banka Maribor (NKBM), Abanka Vipa, Gorenjska Banka (GB), Banka Celje (BC) and Probanka.