Mumbai, Oct. 15 -- The key equity benchmarks continued to trade with substantial gains in mid-morning trade supported by a strengthening rupee and easing global bond yields and crude oil prices. The market sentiment remained positive as investors tracked September-quarter earnings, with the Nifty hovered above the 22,900 mark.

Market participants will track global developments, foreign institutional investors (FIIs) flows and further corporate earnings announcements for market direction

At 11:25 IST, the barometer index, the S&P BSE Sensex surged 1,074.39 points or 1.48% to 73,875.55. The Nifty 50 index jumped 297.25 points or 1.31% to 22,919.95.

In the broader market, the BSE 150 Midcap Index shed 0.08% and the BSE 250 Smallcap Index ...