Mumbai, October 25: NSE indices, a subsidiary of NSE’s index, recently launched a mid cap index titled Nifty Midcap150 Quality 50, which is a quality-factor based smart-beta index. The index comprises Top 50 companies from its parent company Nifty Midcap 150 index, depending upon their ‘quality’ scores. To arrive at these selected companies, a quality score for each one of them was determined and analysed, based on their returns on equity, financial leverage and earning per share (EPS) growth parameters of the last five financial years. That said the weight of each stock in the index is a combination of stock’s quality score as well as its free float market capitalisation.