Unabated selling in the market has forced the Sensex slide to lower levels. The index is now down 198 points at 10,253.Satyam has tumbled nearly 6% to Rs 630. ACC has slumped 5% to Rs 747, and Hindalco has shed 4% to Rs 173.Grasim has dropped 3.6% to Rs 1,735. HDFC Bank, Bharti Airtel, ITC and HLL are the other prominent losers among the Sensex stocks.