http://blogs.wsj.com/marketbeat/2010/08/17/buffets-berkshire-buys-fiserv-stake-who-else-is-buying/ "Berkshire took a roughly $200 million stake in the company, which provides information technology to the financial and insurance industries." <img src=http://www.elitetrader.com/vb/attachment.php?s=&postid=2928153 \img>
If he buys a company because he knows something that people don't know, then isn't this insider trading?