Read this. If nothing jumps out at you then I can’t help you. All 3 companies make and sell diagnostic testing for Covid &amp; other things. $bmra 100 million market cap. $codx 500 million. $gnmk 1.25 billion. $gene $htbx $aim $veru $ino $nio $mrna $mark $pfe $abt $mrk $msft $baba