The expected activity in the food sector is based on lowered commodity costs and increased economic growth in the U.S. Most financial analysts see an opportunity for more mergers and acquisitions.The recently announced megamerger between Heinz and Kraft may open the floodgates to capitalizing food companies. Food stocks have been on a roll since the announcement and are up generally as a category over the past month and year-to-date. Most financial analysts see the sector as ripe for more merger and acquisition activity.Indeed, the process of the Heinz Company over the past few years gives a hint into what might occur in a broader context. Heinz was taken private in 2013 by Warren Buffett and 3G, the private equity firm founded by Brazilian...