The Bombay Stock Exchange benchmark Sensex rallied by almost 112 points in early trade today. The 30-share index of the Bombay Stock Exchange, which gained 146.83 points in Tuesday's trade, moved up further by 111.73 points, or 0.59 per cent, to 18,765.60. in a similar fashion, the wide-based National Stock Exchange Nifty index rose by 31.85 points, or 0.56 per cent, to 5,645.40 points.