The BSE benchmark Sensex today lostover 79 points in early trade as stocks of FMCG, metal, auto, healthcare and banking sectors fell on sustained capital outflows, tracking a weak trend in the global market. Extending losses for the second session, the 30-share index fell by 79.13 points to 18,640.16.Similarly, the wide-based National Stock Exchange Nifty declined by 14.15 points to 5,641.75.Sustained capital outflows from foreign funds amid a weakening trend in the global market after the US Federal Reserve signalled a possible end to its stimulus programme, mainly dampened the trading sentiment. Besides, weakening rupee too triggered selling pressure