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After the birth the Duke and Duchess of Cambridge's second child, CNBC takes a look at which brands been boosted by "the Kate Middleton effect."
Pennsylvania Gov. Tom Wolf said the state will set up a health care exchange if needed to save insurance subsidies for residents under Obamacare.
Buffett's Berkshire Hathaway said first-quarter profit rose 10 percent, helped by improved results in its BNSF railroad unit.
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