As the hard-seltzer boom fizzles out, Boston Beer falls into a hole By: MarketWatch October 21, 2021 at 16:38 PM EDT The seltzer boom has fizzled out, and Boston Beer Co. is paying for it. Read More >> Related Stocks: Anheuser-Busch Inbev S.A. ADR Boston Beer Company Constellation Brands Molson Coors Brewing SPX