Scrutinize the data and tweets to envisage if the closing price of $mrk will swell or contract at 2020-04-28. Please affirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2020-04-14,-0.6,0.4,-2.5,2.9,2.9,-2.0,-4.6,-7.5,-9.2,-9.1,-8.2
2020-04-15,-1.0,1.1,-1.8,-0.9,-0.9,-0.2,-3.1,-5.6,-7.9,-8.1,-7.2
2020-04-16,-0.4,0.4,-0.9,1.1,1.1,-1.0,-3.1,-5.4,-8.2,-8.9,-8.1
2020-04-17,0.6,0.8,-1.2,0.6,0.6,-1.3,-2.8,-5.1,-8.0,-9.0,-8.5
2020-04-20,-0.3,1.2,-2.8,-0.4,-0.4,-0.2,-1.6,-3.8,-6.9,-8.3,-8.0
2020-04-21,3.9,4.8,-0.4,-5.5,-5.5,4.4,3.9,1.9,-0.7,-2.5,-2.7
2020-04-22,-1.0,0.8,-1.4,1.8,1.8,2.1,2.2,0.3,-1.8,-4.0,-4.4
2020-04-23,-0.9,1.2,-0.9,1.1,1.1,0.4,1.0,-0.2,-2.1,-4.6,-5.4
2020-04-24,0.2,0.8,-0.5,0.7,0.7,-0.8,0.2,-0.5,-2.3,-4.7,-5.7
2020-04-27,-3.3,0.8,-3.8,3.1,3.1,-3.6,-2.4,-2.9,-4.5,-7.0,-8.3

2020-04-15: $mrk merck announced the us launch of its herceptin biosimilar, ontruzant, at a wac representing a 15% discount to current prices. $rhhbyontruzant is the 5th biosimilar of herceptin to launch in the u
2020-04-17: $aytu accuracy =98.0% and 94.1% for igg and igmAT_USER  AT_USER  AT_USERAT_USER AT_USER AT_USER AT_USERAT_USER AT_USER AT_USERAT_USER AT_USER$gild $mrk $mrna $ibio$ibio $decn $gild $ino $gsk $sny $jnj
2020-04-18: 6 of 10 $mcd $mmm $mrk |northwest biotherapeutics will announce glioblastoma phase 3 top line data by end of june or early july 2020, which will include idh mutation status and strengthened mgmt statu
2020-04-22: AT_USER i’d  buy stocks and definitely dinner! ?? $mrkyle815 
2020-04-23: $a $mrk - fda oks agilent companion test to merck's keytruda 
2020-04-25: merriman wealth management purchases 175 shares of merck &amp; $mrk |scans from friday, april 24, 2020:   $rio $apha $msft $unh $csco $adbe $abbv $cvs $cnc $mrk $pep $cmcsa $abbv $qcom $v $ma $bti $mo
2020-04-26: #upcoming #earnings calls for the week of 4/27/2020 $msft $fb $pfe $mrk $pep $amt $gild $sbux $ups $mdlz $ba $spgi $antm $cme $cat $adp $noc $bsx $ecl $shw $nsc $gd $tsla $rop $ebay $amd $msci $iqv ge
2020-04-27: AT_USER any updates on the $mrk trade since they are announce earnings this week
Answer:
Fall