the hardseltzer market has lost its fizz—and so have shares of boston beer with the stock now worth less than half what it was at its peak it might be time to take a sip that might seem like the kind of idea someone who’s had too much beer might come up with after all the company’s stock which peaked in april at 130645 has tumbled 60 to a recent 52725 in less than five months the decline has been driven by the same thing that drove shares higher—hard seltzer when sales were booming so did boston beer’s stock