Reversing a steady start to the week, the market went down on Thursday as the Benchmark S&P BSE Sensex lost 139.34 points or 0.39 per cent to close at 35,599.82. The NSE Nifty 50 went down by 48.65 points or 0.45 per cent to close at 10,808.05, after shuttling between 10,773.55 and 10,833.70 during the session.