Snoopy said;
"I remember a legal case a few years ago when the trustees were severely criticised by the judicial system for having too many assets in 'safe' fixed interest investments,"
Mulligan (deceased) v Pyne Gould Guinness Trust Ltd & Anor [1998] 1 NZLR 481, is the case you were probably referring to.
Boop boop de do
Marilyn