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BUSINESS DIGEST
Humana's healthy signs
Insider trading crimes tied to 13
'A great run' at Spectera
Bill Miller's fund takes tumble
Elder Health buying a Medicare HMO in Pa.
SATURDAY MAILBOX
True or false: Firms rigged options to make bundle for CEOs
Market lashes SafeNet shares
Final push set for drug sign-up
Doctors ask state probe of cuts in pay by CareFirst
AARP insurance plan leads in Medicare drug coverage