Contemplate the data and tweets to guess whether the closing price of $mrk will surge or decline at 2020-04-17. Please declare either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2020-04-02,-1.2,0.3,-3.7,4.2,4.2,-2.1,-5.7,-5.6,-3.8,-2.5,-1.6
2020-04-03,0.0,1.6,-1.2,-0.8,-0.8,-0.1,-4.3,-4.9,-3.3,-1.6,-1.0
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

2020-04-02: $lly $mrk $pfe new article : pfizer, merck, and eli lilly will pay their doctors to get back to treating patients during the covid-19 pandemic  get all the latest $lly related news here :  
2020-04-05: $nspx why do insiders own 46% of this #biotech??? $acb $apha $cron $trtc $cann $gwph $mcig $mjna $ammj $grnh $cara $cana $cgrw $cbds $clsh $codi $cvsi $digp  $mdcl $mntr $mjne $mydx $nmus $ntrr $nhle 
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
Answer:
Rise