Stocks are whipsawing again today as Mr. Market digests a coordinated worldwide rate cut. After opening 200 points down, the Dow zoomed to a net gain of 150 points before sliding back into negative territory.

These violent swings can be devastating for the short-term investor. But Jon Herring says market volatility is handing long-term investors a once-in-a-generation chance to buy world-dominating companies at bargain prices.

Jon recommends seven stocks that are price leaders or have pricing power.