Mumbai, Jan. 28 -- The key equity barometers continued to trade with major gains in the mid-afternoon trade, following the Reserve Bank of India's announcement of several measures to boost liquidity in the banking system. The Nifty hovered above the 23,100 level. Realty shares advanced after declining in the past two consecutive trading sessions.

At 14:29 IST, the barometer index, the S&P BSE Sensex, surged 1069.60 points or 1.42% to 76,435.77. The Nifty 50 index advanced 288.75 points or 1.26% to 23,117.90.

The broader market underperformed the frontline indices. The S&P BSE Mid-Cap index rose 0.10% and the S&P BSE Small-Cap index slipped 1.06%.

The market breadth was weak. On the BSE, 1,458 shares rose and 2,463 shares fell. A total ...