I'd like to change some money <a href="http://fazepak.co.za/style-gallery/rsc-2/">usa medical supply</a>  "At times when equities rally, trustees will ask 'Why did we have those hedge funds again?' But it's big volatility events in markets and big selloffs that make people remember, 'Oh yes, that is why we have that hedge fund'," said Aon Hewitt's Guy Sainfiet, who advises pension funds on their investments.