Yes Bank and Vedanta stocks gained ahead of their First Quarterly of the financial year.

At 1:08 pm, BSE Sensex gained 136.38 points at 27,595.61. NSE Nifty gained 33.10 points at 8,370.10

At 12:51 pm, BSE Sensex gained 95.84 points at 27,555.07. NSE Nifty gained 24.65 points at 8,361.65

At 10:10 am, BSE Sensex gained 92.74 points at 27,551.97. NSE Nifty gained 27.85 points at 8,364.85

At 9:34 am, BSE Sensex gained 14.08 points at 27,473.31. NSE Nifty gained 3.85 points at 8,340.85

The volatility was also owing to the July F&O series expiry tomorrow, with rollovers picking up. However, markets were getting some support with some positive cues from the regional peers, as the Chinese market was trading flat after government measure provided some stability to the unruly stock market.

Back home, though the benchmarks were receding lower, the broader indices were still trading up by around half a percent.

On the sectoral front, IT, tech, capital goods and auto were witnessing buying interest, on the other hand consumer durables, realty and FMCG were dragging the markets downwards.

There was lots of scrip specific actions that was keeping the markets in action, aviation stocks SpiceJet and Jet Airways are trading up 6-11 percent. SpiceJet has surged to its 52 week high after the company reported a net profit of Rs 71.85 crore for the quarter ended June 30, 2015 as compared to a net loss of Rs 124.10 crore for the same quarter in the previous year.

The top gainers on the Sensex were Infosys up by 2.12%, BHEL up by 1.74%, Wipro up by 1.58%, HDFC up by 1.37% and Tata Motors up by 1.20%. On the flip side, ITC down by 3.31%, NTPC down by 1.50%, Dr. Reddys Lab down by 1.45%, SBI down by 1.29% and GAIL India down by 0.88% were the top losers.

The top gainers on Nifty were Bosch up by 2.92% and HCL Tech. up by 2.53% and Infosys up by 2.08% and Wipro up by 1.51% and BHEL up by 1.49%. On the flip side, PNB down by 4.02%, Tata Power down by 3.38%, ITC down by 3.29%, NTPC down by 1.57% and Dr. Reddys Lab down by 1.42% were the top losers.