The Sensex is now down 117 points at 17,998.The NSE Nifty is down 42 points at 5,261.Tata Motors has slipped nearly 3% to Rs 730, and TCS has shed 2.3% at Rs 852.BHEL, SBI, Wipro and DLF have dropped around 2% each to Rs 2,214, Rs 2,254, Rs 412 and Rs 863, respectively.Satyam and ONGC have shed 1.8% each at Rs 430 and Rs 1,015, respectively.Infosys has declined 1.3% to Rs 1,544, and Reliance is down 1% to Rs 2,565.Mahindra & Mahindra has gained 2% at Rs 631, and ICICI Bank has moved up 1.4% to Rs 1,211. Hindustan Unilever is up 1.3% at Rs 214.Out of 2,711 stocks traded so far, 1,734 have advanced, 918 have declined and 59 are unchanged.