Analyze the information and social media posts to determine if the closing price of $cvs will ascend or descend at 2017-09-21. Please 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
2017-09-07,-0.5,0.2,-1.1,0.7,0.7,-1.9,-3.9,-3.6,-3.1,-2.9,-2.6
2017-09-08,0.4,1.0,-0.3,-0.9,-0.9,-0.5,-2.5,-2.7,-2.2,-2.0,-1.7
2017-09-11,0.4,0.4,-0.5,0.0,0.0,-0.0,-2.0,-2.5,-2.2,-1.9,-1.7
2017-09-12,-2.9,0.4,-3.2,3.4,3.4,-2.4,-4.3,-5.4,-5.2,-5.0,-4.8
2017-09-13,-0.9,0.7,-1.1,0.8,0.8,-2.4,-4.2,-5.7,-5.7,-5.5,-5.4
2017-09-14,0.3,0.5,-0.3,-0.5,-0.5,-1.4,-3.0,-4.8,-5.0,-4.8,-4.8
2017-09-15,-1.2,0.2,-2.0,0.6,0.6,-1.2,-2.9,-4.8,-5.4,-5.2,-5.2
2017-09-18,-0.1,0.3,-0.5,0.2,0.2,-0.5,-2.4,-4.3,-5.2,-5.2,-5.2
2017-09-19,0.8,1.1,-0.2,-0.3,-0.3,-0.0,-1.6,-3.4,-4.6,-4.8,-4.8
2017-09-20,3.1,3.8,-0.7,-2.9,-2.9,2.3,1.4,-0.2,-1.6,-1.9,-1.9

2017-09-07: #stocks particularly attractive to #value #investors $ca $dsw $gdot $lm $lrcx $bcc $ben $cvs  #valuestocks #stockidea|$cvs has been trading up for 9 consecutive sessions. #stocks|7 dividend stocks who
2017-09-08: boston advisors llc reduces position in cvs health corporation $cvs | $aapl $abbv $amzn $atvi $cost $cpb $csco $cvs $cvx $df $dg $dgro $dis $gd $ge $gis $gm $goog $hd $hdv|brokerages set cvs health co
2017-09-09: capital guardian trust company has trimmed its stake in cvs health $cvs by $13.40 million as share value de...|rt AT_USER drops in nyse shorts: $wft $p $mro $coty $pbr $cpn $bx $fcx $fit $cx $teva $au
2017-09-10: as cvs health corp. $cvs stock value declined, holder peloton wealth strategists trimmed by $339,300 its po...|lanny's received over $400 in his august #dividend income summary - #earlyretirement #mon
2017-09-11: $xom $amzn $googl $avgo $aapl $wfm $cvs $bac $td $wmt $cost $wfc $jnj $ge $gs $tsla $utx $fb $jpm $dis $mcd $mo¡­ |rt AT_USER slash your #medicare drug costs with these 6 tips AT_USER #stocks $unh, $c
2017-09-12: cvs health corporation $cvs cfo sells $18,883,262.70 in stock |cvs health corporation $cvs cfo sells $18,883,262.70 in stock |cvs health corporation $cvs evp thomas m. moriarty sells 90,267 shares |$c
2017-09-13: traders sell shares of cvs health corporation $cvs on strength after insider selling |more #pharmacy m&amp;a: AT_USER $cvs acquires another small chain (promedica)  AT_USER|traders sell shares of cvs 
2017-09-14: (stock picking service review): timothy sykes penny stocking silver alerts:   $mu $cnat $cvs $cldx $gasl|lincoln capital corp sells 7,488 shares of cvs health corporation $cvs |cvs top news - sep 14th
2017-09-15: cvs health corporation $cvs insider sells $20,032,330.50 in stock |cvs health corporation $cvs insider sells $20,032,330.50 in stock |cvs health corporation $cvs insider sells $20,032,330.50 in stock 
2017-09-16: (stock picking service review): timothy sykes penny stocking silver alerts:   $mu $cnat $cvs $cldx $gasl|as cvs health $cvs market valuation declined, strategy asset managers decreased by $603,720 its
2017-09-17: as cvs caremark $cvs stock declined, markston international upped its holding by $1.99 million ...|retail etf bouncing to july high. $xrt $tsco $cab $mnro $an $azo $nflx $orly $kmx $cvs $cost $amzn $w
2017-09-18: rt AT_USER $cvs has a nice technical rating. may need some time before there's also a setup.    #indiegamedev #d¡­|$cvs has a nice technical rating. may need some time before there's also a setup.   |
2017-09-19: insider selling: cvs health corporation $cvs evp sells 39,340 shares of stock |cvs health corporation $cvs coo jonathan c. roberts sells 85,743 shares |insider selling: cvs health corporation $cvs evp
2017-09-20: the answer depends on what type of investor you are AT_USER #stocks $wba, $cvs, $rad, $fred |attractive #stocks for #value #investors $ca $cvs $gdot $intc $jec $lyb $mik $uthr $dsw $evr  #valueleaders
Answer:
Fall