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Here are Friday's top research calls, including an upgrade for Costco and new coverage of McDonald's, GW Pharma and Kinder Morgan.
Shares of Six Flags were moving higher during Thursday morning trading following the ratings update.
Here are Thursday's top research calls, including new buy ratings for Concho Resources, Devon Energy, Six Flags and Marathon Oil.
Tech's organic growth and visibility has been apparent all year, says Jim Cramer.