Mumbai: Extending gains for the sixth session in a row, the BSE benchmark Sensex rose by nearly 86 points in early trade today on buying by funds and retailers ahead of industrial output data amid a firm Asian cues.

The 30-share barometer, which has gained over 541 points in the past five sessions, rose by another 85.76 points, or 0.48 per cent, to 17,938.71.