The king of beers has officially been dethroned. Budweiser no longer is among the top three best-selling beers in the U.S., according to Beer Marketer’s Insights, as people drink less beer or switch to craft brews, wine or spirits. Miller Lite has. Shares of Jacksonville-based Stein Mart Inc. plunged following the announcement by the discount apparel retailer that it had formed a committee to “explore all opportunities to improve operating…