February 27 (SeeNews) - The stock indices in Sarajevo recorded steep weekly falls, while those in Banja Luka closed the week slightly higher, brokers said on Friday, adding that trade volumes continue to be low. The SASX-10 index, tracking the 10 blue chips on the Sarajevo Stock Exchange (SASE), Bosnia’s bigger bourse, plunged 10.90% to 881.21 points this week.