The type of vaccine it's most famous for might be cast in a very unflattering light in the very near future..A star stock during the pandemic era wasn't shining so brightly on Friday. On a media report that the current presidential administration is preparing to link a set of fatalities to Covid vaccines, BioNTech's (BNTX -7.35%) share price declined by 7% across that day's trading session. The biotech company's decline was particularly notable given the essentially flat-line performance of the S&P 500 inde ...