Examine the data and tweets to deduce if the closing price of $mrk will boost or lower at 2015-06-25. Kindly confirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-06-11,0.5,0.8,-0.1,-1.2,-0.4,-0.4,0.6,0.5,0.7,0.8,0.9
2015-06-12,1.6,1.6,-0.1,-1.8,-1.8,1.2,2.0,2.1,2.4,2.5,2.6
2015-06-15,0.8,0.9,-0.2,-1.3,-1.3,2.1,2.8,3.3,3.5,3.6,3.8
2015-06-16,-0.8,0.0,-1.4,1.0,1.0,0.8,1.4,2.1,2.3,2.4,2.6
2015-06-17,-0.3,0.4,-0.8,0.3,0.3,-0.0,0.7,1.6,1.8,2.0,2.2
2015-06-18,-1.2,0.5,-1.2,1.2,1.2,-1.3,-0.6,0.4,0.5,0.8,0.9
2015-06-19,0.6,1.4,-0.2,-0.9,-0.9,-0.3,0.3,1.0,1.3,1.6,1.8
2015-06-22,-0.1,0.6,-0.7,1.4,1.4,-1.0,-1.0,-0.5,-0.1,0.2,0.3
2015-06-23,-0.3,0.0,-0.9,0.3,0.3,-0.9,-1.2,-0.9,-0.4,-0.2,-0.1
2015-06-24,1.2,1.4,0.0,-1.3,-1.3,0.5,-0.0,0.3,0.9,1.1,1.3

2015-06-11: $ppch is one of the fastest moving penny stocks this month, so far! special update:  #stocks $mrk $lgnd|our stock alerts gained over 1300% in less than 3 months! see our new picks:  #breakout $insy $m
2015-06-12: $ppch is one of the fastest moving penny stocks this month, so far! special update:  #stocks $mrk $lgnd
2015-06-14: frcn firemans contractors inc. open$frcn $drt.to $emc $mrk #frcn #stocks #nasdaq|$mrk $pfe news: "3% to near-5% yields for top 10 dow dividend june dogs $cat …"   analyze: 
2015-06-15: rt AT_USER warning: top healthcare performers now overvalued  $mrk $ibb $iyh $xlv $xbi $vht $pjp $bbh $fbt $hq…|uup powershares db us dollar index bullish fund bid size$uup $tpac $cur $mrk #uup #inves
2015-06-16: axpw axion power intl., inc. bid$axpw $xbit $mrk $qld #axpw #finance #share
2015-06-17: mdco medicines co. day high$mdco $mco $mrk $swks #mdco #stockmarket #stocks|amd advanced micro devices, inc. prev close$amd $blue $iwm $mrk #amd #share #share
2015-06-18: merck &amp; co. inc (nyse:mrk) receives new coverage at piper jaffray with ... $mrk |merck &amp; co. research coverage started at piper jaffray $mrk 
2015-06-19: $mrk - why bristol-myers squibb co.'s stock could sink |our stock pick on $mjmj gained as much as 145% from it's low this week! big news:  #stocks $mrk $lgnd
2015-06-20: orcl oracle corp. short sales$orcl $nflx $mrk $mbly #orcl #finance #investing|pfizer and merck’s lliance updates in oncology space $pfe $mrk #merck #pfizer |rt AT_USER % of pd-l1 expression by tumor t
2015-06-21: xlk technology select sector spdr message board posts$xlk $mrk $mcd $ibm #xlk #nasdaq #stocks|prp/curl analysis: loser = $mrk |tasr taser intl inc. volume$tasr $mrk $mat $cni #tasr #stock #share
2015-06-24: ung united states natural gas fund current price$ung $mrk $paas $jnj #ung #finance #stock|blue bluebird bio inc. summary$blue $rsp $mrk $symx #blue #finance #share
Answer:
Fall