The Sensex is now down 160 points at 13,451.ICICI Bank has shed 3.7% to Rs 879, and ONGC has tumbled 3.3% to Rs 888.Dr.Reddy's and TCS have dropped nearly 2% each to Rs 785 and Rs 1,234, respectively.HDFC, SBI and Grasim are down 1.5% each at Rs 1,536, Rs 1,156 and Rs 2,785, respectively.Out of 2,616 stocks traded so far, 1,430 have declined, 1,124 have advanced and 62 are unchanged.are unchanged.