The Sensex is now down 99 points at 13,553.Satyam has tumbled 4% to Rs 467. Reliance Communications and SBI has dropped over 3% each to Rs 422 and Rs 1,178, respectively.HDFC, Larsen & Toubro and Tata Motors have declined around 2% each to Rs 1,560, Rs 1,433 and Rs 910, respectively.Tata Steel has shed 1.5% to Rs 457. Maruti, Dr.Reddy's and Reliannce Energy are down over 1% each to Rs 885, Rs 800 and Rs 516, respectively.Gujarat Ambuja has gained 2.3% at Rs 140. Out of 2,692 stocks traded so far, 1,443 have declined, 1,211 have advanced and 38 are unchanged.