Market benchmark indices Sensex and Nifty rebounded in early trade on Wednesday led by IT stocks, HDFC Bank and fresh foreign fund inflows.The 30-share BSE Sensex jumped 726.13 points to 77,471.26. Brent crude, the global oil benchmark, traded 4.29 per cent higher at USD 87.70 per barrel. Japan's Nikkei 225 index and Shanghai's SSE Composite index were also trading lower, while Hong Kong's Hang Seng index quoted higher. On Tuesday, the Sensex dipped 69.86 points, or 0.09 per cent, to settle at 76,765.92. The Nifty slipped 10.60 points, or 0.04 per cent, to end at 23,985.35.