Sensex and Nifty ended in the green on Wednesday, with the former ending above 80,000 for the first time in over four months. While Sensex ended over 500 points higher, Nifty concluded the day's trade after rising nearly 0.7% to cross 24,300. HCLTech, Tech Mahindra, Tata Motors, Infosys and Mahindra and Mahindra were among the top gainers on Sensex.