Mumbai, March 28 -- The headline equity benchmarks extended gains and hit fresh day's high in mid-morning trade. The Nifty marched above the 22,350 mark. Financial services shares witnessed buying demand for the second consecutive trading session. Trading could be volatile due to the March F&O series expiry today.

At 11:28 IST, the barometer index, the S&P BSE Sensex was surged 819.89 points or 1.12% to 73,813.04. The Nifty 50 index jumped 246.25 points or 1.11% to 22,369.90.

The broader market underperformed the frontline indices. The S&P BSE Mid-Cap index rose 0.48% and the S&P BSE Small-Cap index added 0.77%.

The market breadth was strong. On the BSE, 2,265 shares rose and 1,309 shares fell. A total of 147 shares were unchanged.

IP...