The Sensex has dropped over 450 points to 17,677.Reliance has slipped nearly 4% to Rs 2,455.L&T has declined nearly 4% to Rs 3,632. ICICI Bank has slipped 2% to Rs 1,129.Infosys is still down 1.6% at Rs 1,486. Satyam, TCS and Wipro continue to be weak.Hindalco has declined 4% to Rs 166. Bharti has slipped 3.5% to Rs 868.ACC is still up nearly 2% at Rs 778.