The BSE Sensex has gained 12 per cent or 3,085 points since the note ban low in December 2016, powered by ITC, HDFC Bank, HDFC, Reliance Industries (RIL) and ICICI Bank. Together, they contributed 1,700 points to the surge.
Fast-moving consumer goods major, ITC and private lenders, HDFC Bank and ICICI Bank have been key contributors in all the three recent 3,000-plus points (over 12 per cent gain) rallies of the Sensex. As all the three blue-chip companies have no promoter holding, their weight is high in the Sensex. The weight of Sensex components is based on free-float market capitalisation.

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