Mumbai, June 11 -- The frontline indices traded with modest gains in mid-morning trade, lifted by positive global trade developments. Optimism from Asian markets and hopeful signals from US-China trade negotiations in London boosted investor sentiment. The Nifty traded above the 25,150 mark. Media shares extended gains for the third consecutive trading session.

At 11:30 IST, the barometer index, the S&P BSE Sensex, added 255.70 points or 0.31% to 82,647.42. The Nifty 50 index rose 80.65 points or 0.32% to 25,185.90.

In the broader market, the S&P BSE Mid-Cap index rose 0.21% and the S&P BSE Small-Cap index added 0.55%.

The market breadth was strong. On the BSE, 2,520 shares rose and 1,310 shares fell. A total of 158 shares were unchang...