Blitz Bureau NEW DELHI: The Indian equity indices ended the final trading session of the week with gains on May 2 after witnessing a bout of volatility. The Sensex, after touching an intra-day high of 81,177.93, closed at 80,501.99, up by 259.75 points or 0.32 per cent. Meanwhile, the Nifty rose 12.50 points or 0.05…


