March 5 (SeeNews) - The Ljubljana Stock Exchange (LJSE) said on Thursday it will drop household appliance manufacturer Gorenje and local port operator Luka Koper from its blue-chip SBITOP index. LJSE also said in a statement it will add local bank Abanka Vipa to its broader 15-share SBI20 index while bouncing out local energy-to-tourism holding company Istrabenz.