Four investment trusts closed last week. How many more will go? Investing Last week, four separate investment trusts handed in their notice, announcing they would be shuttering. Aquila European Renewables, Ecofin US Renewables, Gulf Investment Fund and Keystone Positive Change, all said they would be liquidating, as the number of trusts on the London Stock Exchange continued to dwindle. The number of investment trusts has fallen to [...]