But even foreign-domiciled stocks can offer U.S. exposure, says Morningstar's Heather Brilliant.
Bank of America Corp. led decliners in the Dow Jones Industrial Average after reporting profit dropped 63 percent, hurt by shrinking revenue and more costs from cleaning up bad mortgages.
Goldman Sachs Group Inc., the fifth- biggest U.S. bank by assets, said quarterly profit almost tripled as gains in the value of the firm's own investments contributed to the first year of revenue growth since 2009.
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