Weaker-than-expected Heineken results cast a pall over the beer industry after Boston Beer's positive surprise last week. Shares of international beer giants Heineken (HEINY -9.89%), Anheuser-Busch InBev (BUD -2.20%), and Boston Beer (SAM -2.66%) were falling in Monday's trading, down 10.4%, 2.4%, and 3%, respectively, as of 12:38 p.m. ET. These beer giants fell after Heineken reported its first-half numbers today, which marked a deceleration from the first quarter, souring the mood after Boston Beer positi ...