Sensex, Nifty open flat; PNB Housing jumps 5%

Benchmark indices opened on a cautious on Monday, tracking weak cues from other Asian markets. Sensex was trading 20.89 points or 0.06 per cent lower soon after opening. Nifty was also trading 9.20 points or 0.09 per cent lower at 10,812.65 points. The Sensex, which opened at 35,783.75 points, was trading at 35,668.71 points (at 9.16 a.m.), lower 20.89 points or 0.06 per cent from the previous day's close at 35,689.60 points.