Mumbai: The Sensex closed 153 points lower, even as state-run oil companies gained after the government announced the deregulation of fuel prices. The 30-scrip sensitive index (Sensex) of the Bombay Stock Exchange (BSE), which opened at 17,705.11 points, closed at 17,576.74 points, 153.5 points or 0.87 percent down from its previous close at 17,730.24 points. The chart showing the 52 week performance of Sensex is on the left. At the National Stock Exchange (NSE), the broader 50-share S&P CNX Nifty shut shop at 5,266.7 points, down 1.01 percent from its previous close at 5,320.6 points. Broader markets too ended in losses with the BSE midcap index ending 0.73 percent lower and the BSE smallcap index 0.58 percent down. The oil and gas index closed with gains of 2.85 percent. Most other sectors ended lower. The declines were led by the banking and metals stocks. The banking index declined 2.18 percent. ONGC, Reliance Communications, Cipla and RIL were the top gainers on the Sensex. Sterlite Industries, ICICI Bank, M&M and Wipro were the major losers. Among the stocks, oil marketing companies' stocks rose after the government decided to decontrol petrol prices. The government announced an across the board fuel price hike for diesel, kerosene and LPG too. HPCL rose 13.66 percent, BPCL gained 12.84 percent, IOC added 10.39 percent and ONGC rose 6.35 percent.