Benchmark equity indices settled at record highs on Wednesday, extending their winning run to the fourth day on gains in metal, power and select auto shares. The BSE Sensex jumped 285.94 points or 0.35 per cent to close at 81,741.34. The NSE Nifty rose 93.85 points or 0.38 per cent to close at an all-time high of 24,951.15. Majority of the sectors ended in green with buying seen in Pharma, Metals, and Financials.