The Sensex is now at the day's low - down 265 points at 10,186.ACC has slumped over 5% to Rs 745. Hindalco and Satyam have dropped over 4.5% each to Rs 171 and Rs 638, respectively.Maruti, Grasim, HDFC Bank and Bharti Airtel have shed around 4% each to Rs 737, Rs 1,729, Rs 735 and Rs 352, respectively.Out of 2,441 stocks traded so far, 1,725 have declined, 663 have advanced and 53 are unchanged.