The Sensex is now up 200 points at 15,322.Updated at 1455 hrsThe Sensex is now up 189 points at 15,311.Mahindra & Mahindra has zoomed nearly 5% to Rs 708, and Tata Steel has soared 4.7% to Rs 688.NTPC has surged 4.4% to Rs 174, and Maruti has rallied 4% to Rs 867.Ranbaxy and Tata Motors have gained around 3.5% each at Rs 391 and Rs 705, respectively.Hindustan Unilever and Reliance have advanced around 3% each to Rs 209 and Rs 1,963, respectively.ONGC, Wipro, TCS and SBI are up over 1% each at Rs 857, Rs 487, Rs 1,064 and Rs 1,606, respectively.Bajaj Auto is down nearly 1% at Rs 2,343.Out of 2,742 stocks traded so far, 1,575 have advanced, 1,085 have declined and 82 are unchanged.