Mumbai, April 25 -- The headline equity indices traded with major gains in mid-afternoon trade. The Nifty scaled above the 22,550 mark after hitting day's low of 22,305.25 in mid-morning trade. Auto shares advanced after declining in the past trading session.

At 14:30 IST, the barometer index, the S&P BSE Sensex jumped 576.59 points or 0.81% to 74,451.42. The Nifty 50 index added 181.65 points or 0.81% to 22,584.05.

In the broader market, the S&P BSE Mid-Cap index rose 0.54% and the S&P BSE Small-Cap index added 0.51%.

The market breadth was positive. On the BSE, 2,083 shares rose and 1,675 shares fell. A total of 137 shares were unchanged.

The NSE's India VIX, a gauge of the market's expectation of volatility over the near term, surg...