Mumbai, Jan. 12 -- The key equity indices traded with significant losses in the mid-morning trade, pressured by escalating geopolitical tensions and renewed concerns over potential U.S. tariff hikes. Investor sentiment remained cautious as the Q3 earnings season kicked off, with market participants closely tracking corporate performance and outlook amid global uncertainties.

The Nifty traded below the 25,550 mark, while realty shares extended losses for the fifth consecutive trading session.

At 11:28 IST, the barometer index, the S&P BSE Sensex, fell 591.38 points or 0.71% to 82,984.86. The Nifty 50 index lost 181.15 points or 0.71% to 25,502.50.

The broader market underperformed the frontline indices. The S&P BSE Mid-Cap index tumbled...