Shares of Aarti Drugs and Orbit Exports will remain in focus on Wednesday, as they turn ex-date for the proposed buyback. Aarti Drugs will buy back up to 2.75 lakh shares, representing up to 1.15 per cent stake of the paid-up capital, at ₹875 a share; Orbit Exports’ buy-back of up to 4.44 lakh shares (representing 1.55 per cent stake) would be at a price of ₹180 a share. Both the buyback offers would be on proportionate basis, through the tender offer route.