May 18 (SeeNews) - The main equity indices of the Zagreb Stock Exchange (ZSE) ended lower on Wednesday, after a rebound on Tuesday, amid losses in Hrvatski Telekom [ZSE:HT], holding company Adris [ZSE:ADRS2], food and pharmaceuticals producer Podravka [ZSE:ATPL] and hotel operator Valamar Riviera [ZSE:RIVP], bourse data showed.