BUCHAREST (Romania), April 25 (SeeNews) – The Romanian financial supervision authority, ASF, said it has requested investment funds SIF Banat Crisana [BSE:SIF1] and SIF Muntenia [BSE:SIF4], drug maker Biofarm [BSE:BIO] and three other shareholders to reduce their combined stake in SIF Oltenia [BSE:SIF5] to 5.0%.