But even foreign-domiciled stocks can offer U.S. exposure, says Morningstar's Heather Brilliant.
Morningstar's Heather Brilliant explains why investors should care about movement in market and sector correlations.
There are good opportunities in Europe if you believe that the region's political leaders will be able to hold the euro together, says Seven Investment Management's Justin Urquhart Stewart.
European stocks are pricing in a real Armageddon, and if that Armageddon doesn't occur, you'll have fairly decent returns, says author Bill Bernstein.
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