It's smart to diversify your portfolio, at least to some degree. In fact, the less you know about investing in general and in the companies in which you're invested, and the less confidence you have in your portfolio, the more it may benefit from diversification. Otherwise, you may have too many of your eggs in too few baskets.

One way to diversify is to add some international holdings to your mix. After all, there are some scenarios where the U.S. economy may falter for a short or long while, and some non-U.S. holdings doing OK can offset trouble in your domestic stocks.

Here are three foreign companies to consider. See if any pique your interest.

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Source Fool.com