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Constellation Brands CEO steps down, Gap shares plunge, Facebook takes a dive

Let’s check out the Yahoo Finance charts of the day.

Constellation Brands ( STZ): Rob Sands, CEO of Constellation Brands, is stepping down in March. Sands has spent more than a decade as president and CEO of the beer, wine and spirits brand.

 Gap (GPS): JPMorgan Chase downgraded Gap to Underweight from Neutral. Analysts pointed to sales weakness at the apparel seller’s flagship Gap stores as well as profit margin pressures.

Facebook  (FB): A Wall Street Journal report says that Facebook thinks a recent hack of 30 million user tokens was done by spammers seeking to make money through deceptive advertising.

For more on today’s big stock movers check out the Final Round, live at 3:30 p.m. ET, right here on Yahoo Finance.