Around 60 smallcap stocks generated double-digit returns in the week ended June 28 as BSE SmallCap Index hit a record high of 52,542.41. Shares of Black Box, Kalyani Investment Company, Garden Reach Shipbuilders & Engineers, India Cements and GTL Infrastructure rose between 26.25% to 33.97%, Moneycontrol reported. Senco Gold and Vishnu Chemicals' shares also rose over 10%.