While also an individual portfolio asset in its own right, many investors such as JL Collins choose to keep it simple and put all of their money in a total domestic stock market fund. Here you can see how it performs individually and observe the ups and downs over the years. But the world is a big place, and individual countries have very different results. To see how stock markets vary around the world, try browsing the countries below.
German Portfolios 
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Asset Allocation
