The Sensex is now down 153 points at 10,074.Wipro has slumped 5% to Rs 461. Satyam has plunged over 4% to Rs 666. Tata Motors has dropped nearly 4% to Rs 663.Maruti, Hindalco and TCS have shed around 2.5% each to Rs 731, Rs Rs 156 and Rs 1,795, respectively.Bajaj Auto, HLL, Reliance and Tata Steel are down over 2% each to Rs 2,428, Rs 225, Rs 983 and Rs 468, respectively.ONGC has surged nearly 2% to Rs 1,062. HDFC has advanced over 1% to Rs 1,078.Out of 2,388 stocks traded so far, 1,810 have declined, 511 have advanced and the rest are unchanged.