The wider 50-scrip Nifty of the National Stock Exchange (NSE) was, however, trading higher at 7,569.35 points, with a gain of 10.55 points or 0.14 percent. The 30-share Sensex opened at 24,904.56 points, against the previous close at 24,983 points. At 9.43 a.m. it was ruling at 24,923.04 points, with a gain of 29.23 points, or 0.12 percent.