Here are Friday's top research calls, including upgrades for Cognizant, American International and Hershey, and a downgrade for Allstate.
Healthways (HWAY) stock rating was raised to 'equal weight' from 'underweight' at Barclays on Monday morning.
Insiders at these companies have been scooping up shares of their own stock lately.
Trade-Ideas LLC identified Healthways (HWAY) as a weak on high relative volume candidate
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