The BSE Sensex overcame a choppy start to finish at a fresh lifetime high on Friday, propelled by bank and metal stocks amid a bullish trend in overseas markets to close at 226.04 points or 0.43 per cent higher at record 52,925.04. Similarly, the broader NSE Nifty advanced 69.90 points or 0.44 per cent to 15,860.35, less than 10 points shy of its all-time closing peak.