/C O R R E C T I O N -- Avanir Pharmaceuticals, Inc./
Experts and some Morningstar.com readers say yes, but others argue that they can be effective tools.
Readers share what they got right during the past five years--and what they would do differently.
Morningstar.com readers swap views on the wisdom of this portfolio practice--as well as how to do it.
Peter Thiel is best known as the guy who cofounded and ran PayPal before selling it to eBay for $1.5 billion in 2002. Since then, he's founded a $2 billion hedge fund, Clarium Capital, and the Founders Fund, a venture fund. Peter is also one of Facebook's earliest investors and now sits on the ...