Investors must keep in mind that there's a difference between a good company and a good stock. After all, you can buy a good car but pay too much for it.
Richard ThalerRip Van Winkle would be the ideal stock market investor: Rip could invest in the market before his nap and when he woke up 20 years later, he'd be happy. He would have been asleep through all the ups and downs in between. But few investors resemble Mr. Van Winkle. The more often an investor counts his money - or looks at the value of his mutual funds in the newspaper - the lower his risk tolerance.
Richard Thaler