Following the State Bank's upped discount rate remaining within expectations, KSE-100 index today witnessed buoyancy scoring over four centuries. The market opened with a positive mindset for business, as the State Bank's enhancement of discount rate came out nearing the expectations of the investors, which energizing trading gave a shot in the market. Energy, banking and cement sectors remained at the focus of the investors, while the overall optimism continued until the close of business today. KSE-100 index closed at 10853 points after recording a brilliant score of over four centuries. Turnover today aggregated 117 million shares about 7 million shares higher as compared yesterday.