Mounting selling pressure in select old and new economy stocks has pushed the index deep into the red in early noon trades. The Sensex has shed 43 points to 6,541. The Nifty has declined 10 points to 2,046.ITC has inched lower by a per cent (Rs 10) to Rs 1,372. Reliance and HLL are down a rupee each at Rs 534 and Rs 144, respectively.Wipro has lost 1.22% (Rs 8) to Rs 682. Infosys (down Rs 17 to Rs 2,149) and Satyam (down Rs 3 to Rs 402) are languishing in negative territories.SBI has slipped a per cent (Rs 6) to Rs 652. HDFC Bank (down Rs 5 to Rs 560) and ICICI Bank (down Rs 4 to Rs 377) are exhibiting subdued trends.Cipla has lost 2.50% (Rs 7) to Rs 265, and Dr. Reddy's is down Rs 3 at Rs 726. Ranbaxy is down a rupee at Rs 1,024.Hindalco has upped its losses by 1.42% (Rs 20) to Rs 1,354, while Bharti is trading a per cent lower (Rs 2) at Rs 216. BHEL at Rs 840 (down Rs 13 or 1.52%) and L&T at Rs 1,106 (down Rs 8), too, are trading at lower levels.ONGC is still up a per cent (Rs 4) at Rs 811.While Hero Honda is up a per cent (Rs 3) at Rs 539, Maruti is up a rupee at Rs 464. Tata Motors is down a rupee at Rs 478.