CHICAGO, IL – SEPTEMBER 15: SABMiller and Anheuser-Busch InBev products are offered for sale on September 15, 2014 in Chicago. Illinois. Share of SABMiller have surged to an all-time high today on speculation of a takeover bid by Anheuser-Busch InBev, the world’s largest brewer. (Photo by Scott Olson/Getty Images)