Natco Pharma, Wockhardt and Marksans have rallied between 50 and 70 per cent in the year till date.
Markets rebound with financials leading the gains on hopes of a peaceful solution to the turmoil in Ukraine
Poor governance, constant interference of promoters, opposition from unions and talks of being an acquisition target seen as main deterrents.
In the broader market, BSE midcap and BSE smallcap indices underperformed the larger counterparts and ended flat with a negative bias.