On Thursday, the benchmark indices started the trading session on a gap up note. Sensex jumped almost 500 points higher whereas Nifty gained beyond 160 points. The benchmark indices showed some strength at the end of the first half and showed some selling pressure in the second half. Sensex closed at levels of 59,677.83 and Nifty at 17,790.35. Titan, M&M, Maruti Suzuki, IndusInd Bank and Sun Pharmaceuticals were the top gainers within Sensex.