Mumbai, Jan. 27 -- The key equity barometers continued to extend losses in the mid-afternoon trade, impacted by worries over disappointing corporate earnings, uncertainty around U.S. trade policy, and persistent foreign outflows. The Nifty traded below the 22,850 mark. Metal stocks tumbled for the second consecutive session.

At 14:30 IST, the barometer index, the S&P BSE Sensex, tumbled 813.57 points or 1.07% to 75,375.83. The Nifty 50 index declined 258.15 points or 1.12% to 22,833.25.

The broader market underperformed the frontline indices. The S&P BSE Mid-Cap index fell 2.70% and the S&P BSE Small-Cap index slipped 3.80%.

The market breadth was weak. On the BSE, 507 shares rose and 3,550 shares fell. A total of 135 shares were uncha...