Mumbai, April 8 -- The key equity benchmarks traded with substantial gains in afternoon trade. The Nifty climbed above the 22,650 mark. Despite global recession fears, potential US tariffs on Indian goods, and heavy selling in key stocks ahead of earnings season, Indian markets remained resilient. Investor optimism stems from expectations that India will face minimal impact amid global trade tensions.

At 13:25 IST, the barometer index, the S&P BSE Sensex, gained 1626.76 points or 2.23% to 74,791.25. The Nifty 50 index added 500.50 points or 2.26% to 22,662.10.

In the broader market, the S&P BSE Mid-Cap index jumped 2.14% and the S&P BSE Small-Cap index surged 2.36%.

The market breadth was strong. On the BSE, 2,618 shares rose and 567 s...