A guranteed way to lose money: listen to so-called experts. Barrons is a pretty reputable magazine in investment community. I read them, but I don’t listen to them. Here is an example: the reporting card of Barrons Roundtable 2008. Every year (Jan) Barrons will assembly a group of experts, from famous money managers to analysts such as Bill Gross (Pimco) to Abey Cohen (Goldman Sachs), discussing the outlook of the year, and each expert will share some picks.
Here is an example how things go terribly wrong (I hope no one copied his strategy).