Benchmark equity index Nifty50 hit a record peak of 25,129.6 on Wednesday, slightly closing higher than the previous day, driven by gains in IT stocks. Sensex closed at 81,785, gaining 74 points. LTIMindtree, Wipro, Divi's Labs, Bharti Airtel, and Infosys were top gainers, while Maruti Suzuki and Asian Paints lagged.