The Bombay Stock Exchange benchmark Sensex rose by 158 points in opening trade on Friday on buying by funds driven by strong global cues.

The 30-share index gained 158.10 points, or 0.91 per cent at 17,347.41 points on the back of rally in heavyweight stocks. It had gained 64.09 points yesterday. The wide-based National Stock Exchange index Nifty surged by 42.85 points, or 0.83 per cent, to 5,177.50 points.