(ShareCast News) - Vietnam Infrastructure announced its decision to compulsorily repurchase and cancel all of its outstanding Listed Portfolio Shares on AIM.The purchase would take place on 17 August, the company said in a statement, with trading to be suspended on 15 August and cancellations effective from 18 August.The closed-end fund was launched in July 2007 and focuses on investing on key strategic infrastructure and infrastructure-related assets in Vietnam, aiming for some medium-term capital gains together with some recurring income.On 12 July the company reported a 6.53% month-on-month rise in the net asset value of its listed portfolio shares (VNIL) to reach $0.3571.Its private equity shares (VNI) on the other lost 11.21% of their net asset value month-on-month to hit $0.2409.