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Retail stocks are soaring in anticipation of a robust holiday season, but excessive optimism now makes the hottest retailers risky.
Parexel, G-III and Quaker Chemical are small caps to watch as the market's minnows outswim its whales.
Here are Friday's top research calls, including downgrades for Citigroup and Novavax, an upgrade Comerica and new coverage of PepsiCo.