Mumbai, April 25 -- The BSE Sensex remained positive for the fifth day in a row on Thursday, advancing 78 points at 73,931.88 in opening session following gains in Financial services, Health Care and Industrials stocks. The National Stock Exchange (NSE) rose marginally by 5.95 points at 22,408.35. The NSE registered days high and low at 22,475.55 and 22,305.25 points respectively. The Sensex registered intra day high and low at 74,126.79 and 73,556.15 points respectively. The Mid cap gained 0.02 per cent and Small Cap by 0.34 per cent. In 30 scrips, 20 advanced while 10 declined. The gainers were Axis Bank by 4.10 per cent to Rs 1,107.30; Sun Pharma by 1.59 per cent to Rs 1,509.95; SBI by 1.43 per cent to Rs 784.25 and HCL Technology by ...