The BSE benchmark Sensex lost over 84 points in early trade today. The 30-share barometer, which had lost 156.85 points yesterday, fell further by 84.18 points to 15,942.23 in early trade, with banking, consumer durable and FMCG sectors stocks led the fall.Similarly, the wide-based National Stock Exchange index Nifty declined by 23.10 points to 4,837.40.