All-round selling dragged the Sensex to a low of 9970. The index finally ended with a huge loss of 143 points at 9981.
Grasim led the fall with a loss of 4.8% at Rs 1,616.
Hindalco slumped 3.8% to Rs 154. While Hero Honda plunged 3.5% to Rs 889, Tata Motors tumbled 3.4% to Rs 773.
ITC (Rs 162), HLL (Rs 232), HDFC (Rs 1,300) and ONGC (Rs 1,120) shed 3%