Reflect on the provided data and tweets to anticipate if the closing price of $mrk is going to increase or decrease at 2020-04-21. Kindly respond with either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2020-04-06,-2.5,0.7,-3.0,5.3,5.3,-4.3,-7.4,-8.8,-8.0,-6.6,-6.0
2020-04-07,4.0,4.3,-0.2,-2.2,-2.2,-1.8,-4.1,-6.5,-6.1,-4.5,-3.9
2020-04-08,-3.0,1.7,-4.0,3.9,3.9,-3.6,-6.1,-9.1,-9.4,-8.0,-7.4
2020-04-09,-1.6,1.0,-2.8,1.1,1.1,-3.2,-6.0,-9.2,-9.8,-8.9,-8.1
2020-04-13,1.6,2.4,-0.9,-2.4,-2.4,0.2,-2.6,-6.2,-7.4,-6.7,-5.7
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

2020-04-10: debt listing and trading are open.   $acb $apha $cron $trtc $cann $gwph $mcig $mjna $ammj $grnh $cara $cana $tsla $codi $cvsi $digp  $mdcl $mntr $mjne $mydx $nmus $ntrr $nhle $ndev $oxis $prre $rmhb $
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
Answer:
date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2020-04-06,-2.5,0.7,-3.0,5.3,5.3,-4.3,-7.4,-8.8,-8.0,-6.6,-6.0
2020-04-07,4.0,4.3,-0.2,-2.2,-2.2,-1.8,-4.1,-6.5,-6.1,-4.5,-3.9
2020-04-08,-3.0,1.7,-4.0,3.9,3.9,-3.6,-6.1,-9.1,-9.4,-8.0,-7.4
2020-04-09,-1.6,1.0,-2.8,1.1,1.1,-3.2,-6.0,-9.2,-9.8,-8.9,-8.1
2020-04-13,1.6,2.4,-0.9,-2.4,-2.4,0.2,-2.6,-6.2,-7.4,-6.7,-5.7
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

2020-04-10: debt listing and trading are open.   $acb $apha $cron $trtc $cann $gwph $mcig $mjna $ammj $grnh $cara $cana $tsla $codi $cvsi $digp  $mdcl $mntr $mjne $mydx $nmus $ntrr $nhle $ndev $oxis $prre $rmhb $
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