Let junk mail be your guide

After many years when my junk mail regularly included invitations to invest in property and become a property millionaire (strange how property millionaires are so willing take time out to give seminar talks to those who've not yet managed it?), these have now ceased, but been replaced by exhortations to invest in various commodity funds. Apparently retail investors have gone heavily into commodities/resources in the winter months of 2007/8. Well, I've reduced my allocations to these sectors because .....