Why Boston Beer Stock Was So Frothy on Thursday

On Thursday, plenty of investors bellied up to the bar to put money into Boston Beer (SAM 2.20%) stock. Best known as the brewer of the Samuel Adams line of suds, the company received a recommendation upgrade from a top U.S. bank tracking its fortunes. In mid-afternoon trading, Boston Beer's share price was up by more than 3%.Fizzy potentialWell before the market open that morning, Citigroup's Filippo Falorni pushed his Boston Beer recommendation up one peg, to buy from the previous neutral. He also raised ...