Shares of Weizmann Forex will turn ex-date for the proposed buyback on Tuesday. The board of Weizmann Forex had approved a buyback of 4.36 lakh fully paid-up equity shares, 3.77 per cent of its outstanding shares, at ₹702 a share, for an aggregate amount of ₹30.64 crore. Investors wishing to participate in the buyback, which is being done through the tender route, need to own the company’s shares by Monday. The stock of Weizmann Forex closed at ₹609.75 on the BSE on Friday.