Are stocks a safe investment over a six-month time period?

In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analysts Matt Koppenheffer and David Hanson dip into their mailbag to answer a listener's question about investing over a short time-frame. While Matt and David say the stock market isn't a good option if you'll need the money in the near future, they say stocks like U.S. Bancorp and Berkshire Hathaway are great companies to learn from for long-term investors.