The Sensex and Nifty ended lower on Friday, after hitting record highs in each of the previous four sessions, as disappointing quarterly earnings weighed on bank and pharmaceutical shares.The broader NSE index closed down 6.05 points or 0.06 per cent at 10,014.50, but was up 1 per cent for the week. The benchmark BSE index ended 73.42 points or 0.23 per cent lower at 32,309.88, but was still 0.88 per cent higher for the week.