Top Analyst Upgrades and Downgrades: Albermarle, American Airlines, Ellie Mae, Johnson & Johnson, Mallinckrodt, Mylan, NetApp, Southwest Air and More

The top analyst upgrades, downgrades and other research calls from Thursday include Albermarle, American Airlines, Ellie Mae, Johnson & Johnson, Mallinckrodt, Mylan, NetApp and Southwest Airlines.

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