Shares of HEG will remain in focus, as they turn ex-date on Thursday for the proposed ₹750-crore buyback. The company plans to buy back 13.63 lakh shares at ₹5,500 a share through the tender route. The promoter group had expressed its intention to participate in the buyback. Given the sharp drop in the share price, investors wishing to take advantage of the arbitrage opportunity need to buy HEG shares by Wednesday, as it has set February 8 as the record date.