Sensex up 485pts; Satyam, Tata Steel lead

The Sensex is now up 485 points at 10,030.

Satyam and Tata Steel have zoomed over 10% each to Rs 680 and Rs 456, respectively. TCS soared 9% to Rs 1,691.

Hindalco and Dr.Reddy's have rallied 7.6% each to Rs 164 and Rs 1,310, respectively.

HLL and Tata Motors are up 7% each at Rs 217 and Rs 743, respectively.

Out of 2,342 stocks traded so far, 1,956 have advanced, 347 have declined and 39 are unchanged.