Small-cap stock under ₹50: Shares of Sudarshan Pharmaceuticals rallied to end 7% higher on Wednesday. The stock has delivered close to 25.37% return in six months and around 60% surge in one year. The recent uptick in stock movement has come after the pharma stock’s formal listing on National Stock Exchange (NSE)’s main board.Shares of Sudarshan Pharma Industries Limited were formally listed on the main board of the NSE effective Tuesday, October 27.