Rumors that Suntori was preparing to make an offer for the brewer appear to have been unfounded. On Friday, investors sent shares of Boston Beer (SAM -4.98%) up 22% on reports that the U.S. brewer was in talks to sell itself. Alas, the alleged suitor has poured cold water on that excitement. Shares of Boston Beer were trading down by 8% as of 10 a.m. ET Monday after Japanese whiskey maker Suntory said it was not in discussions to buy the company. Will they or won't they? Boston Beer and Suntory have been wo ...