How bad was bad news this week from Apple, Boeing, Bank of America, and others?
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.
The weak European economy is allowing firms to unlock extra value via restructurings and spin-offs, but it's better to invest while firms are still cheap conglomerates, says Evermore's David Marcus.
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