Constellation Brands, Walgreens, Alcoa in focus By: MarketWatch April 08, 2015 at 16:41 PM EDT Among the companies whose shares are expected to see active trade in Thursday’s session are Constellation Brands, Walgreens, and Alcoa. Read More >> Related Stocks: Alcoa Bed Bath & Beyond Constellation Brands Potbelly Corp Walgreens Boots Alliance Zynga Inc Cl A