The Sensex is now down 259 points at 11,660.Reliance Energy has tumbled over 5% to Rs 463. Tata Steel has shed 4.5% to Rs 502, and Hindalco has dropped 4.2% to Rs 176.HLL has plunged 4% to Rs 231. TCS, Cipla, Larsen & Toubro and Tata Motors have slipped over 3.5% each to Rs 956, Rs 247, Rs 2,466 and Rs 866, respectively.HDFC Bank and Gujarat Ambuja are down over 3% each to Rs 822 and Rs 111, respectively.Hero Honda has advanced 1.7% to Rs 748.Out of 2,538 stocks traded so far, 1,815 have declined, 658 have advanced and the rest are unchanged.