Benchmark index Sensex jumped more than 700 points to 84,031.21 in early trade on Friday, while Nifty also climbed 0.7% to 25,832.15. The surge was driven by IT stocks, with Infosys' shares recording the biggest jump of over 5% after the Q3 results. Shares of Wipro, Tech Mahindra, TCS and HCLTech also rose.