Warren Buffett Warns Amateur Investors Against This Common Mistake

"You don't need to look at the prices of the stocks you own from week-to-week, or month-to-month, or even year-to-year," says Buffett. "If you own a cross-section of American businesses, and you don't get excited (and buy) just at the very top, and if you buy in over time, you are going to do well."

Read more: http://www.businessinsider.com/warren-buffett-tells-investors-not-to-make-this-common-mistake-2013-10#ixzz2jECZLls6