The benchmark equity indices Sensex and Nifty continued their winning streak on Tuesday, extending gains for the fourth consecutive session, supported by a sharp correction in crude oil prices and foreign fund inflows. At around 1:30 p.m., the Sensex was up 1,017.51 points or 1.34 percent at 76,710.29, while the broader Nifty advanced to 23,716.25, up 275.45 points or 1.18 percent. All major Nifty sectoral indices traded in positive territory, barring Nifty Pharma.