The Sensex tumbled to a low of 11,892, and is now down 139 points at 11,901.Satyam is now down 6% (Rs 56) to Rs 815. Reliance has dropped 3% (Rs 31) to Rs 964. Bajaj is down Rs 40 at Rs 2,940.Ranbaxy is steady at Rs 497 - up 5% (Rs 24). Maruti has gained over 2% (Rs 21) to Rs 902. HLL is up Rs 5 at Rs 282. Infosys is up Rs 11 at Rs 3,288. L&T has added Rs 20 to Rs 2,670.