pfizer boosts prices of certain drugs by almost 10% https://t.co/zx7zxy5f93 $pfe, $regn, $sny, $xlv, $pjp, $ihe, $xph, $xbi, $bib, $rhhby, $biib, $amgn, $gild, $vrtx, $celg, $abbv, $agn, $azn, $gsk, $jnj, $lly, $mrk, $, $shpg, $vrx, $teva