Astec LifeSciences, the manufacturer of agro chemicals and pharmaceutical intermediates, has been on a roll. Over the past one year, the stock has gained over a whopping 58.66% against the benchmark Sensex’s gain of 14.8%. The stock has been buzzing after the unlisted Godrej Agrovet acquired a controlling stake (45.29%) in the firm in FY16 for close to Rs.213 crore at Rs.190 a share. The promoter entity currently holds 55.72% in the firm. In FY17, the promoter group, including Godrej Agrovet, further increased its stake from 63.64% in FY16 to 65.54% in FY17. The buying spree has continued in the current fiscal. Between February 6 and June 30, Godrej Agrovet bought over 5.27 lakh shares at Rs.587 a share, on an average, for over Rs.30.94 crore.