Scrutinize the data and tweets to envisage if the closing price of $gild will swell or contract at 2017-09-22. 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
2017-09-08,0.2,1.4,-0.2,-0.4,-0.4,-1.3,-4.9,-8.0,-9.6,-10.4,-10.6
2017-09-11,1.4,1.8,-0.4,-0.7,-0.7,-0.5,-3.0,-6.4,-8.3,-9.3,-9.6
2017-09-12,-0.4,0.3,-0.8,-0.0,-0.0,0.0,-1.8,-5.4,-7.5,-8.8,-9.3
2017-09-13,1.0,1.0,-0.4,-1.0,-1.0,1.2,0.1,-3.6,-6.0,-7.4,-8.1
2017-09-14,1.0,1.0,-0.9,-1.7,-1.0,1.6,1.3,-1.9,-4.4,-5.9,-6.8
2017-09-15,0.5,1.4,-0.1,0.1,0.1,1.0,1.1,-1.3,-3.9,-5.5,-6.5
2017-09-18,-0.5,0.6,-1.7,0.7,0.7,-0.0,0.4,-1.2,-3.9,-5.7,-6.8
2017-09-19,1.3,1.3,-0.2,-0.8,-0.8,0.4,1.2,0.3,-2.5,-4.4,-5.7
2017-09-20,-0.3,0.3,-1.0,0.4,0.4,-0.2,0.8,0.4,-2.3,-4.4,-5.7
2017-09-21,0.1,1.0,-0.5,-0.0,-0.0,-0.1,0.6,0.6,-1.7,-3.9,-5.3

2017-09-08: $fbio finished the week with strength $fb $tgtx $clls $juno $kite $nvs $gild|as #hepatitisc flared in former #soviet republic, $gild saw an opportunity |rt AT_USER $gild still looking after the $kite 
2017-09-09: AT_USER AT_USER AT_USER life saving tech developed by $mrk, $pfe, $jnj, $gild, $mon, $agu, and $de r¡­ |gilead sciences, inc. $gild lifted to buy at vetr inc. |rt AT_USER finally found time to read th
2017-09-10: $gild |$gild extended on daily and weekly, but huge short interest and just getting going, consolidation would be welcome |don't miss our next free option trade.  sign up for our daily free trades at 
2017-09-11: rt AT_USER gilead's 'micro-elimination' strategy paying off (with help) in georgia  #hepc $gild |big put buyers  $mrvl $sedg $oclr $tlrd $logi $ge $sq $car $gild $regn $ppc $ebay $msft $stld $unh $has
2017-09-12: rt AT_USER $gild on bispecifics vs car-t: the data wasn't as good, says alessandro riva at morgan stanley|current traderlion positions: $gild $yy $grub $athm $baba $sq $jd |rt AT_USER 09/12/2017 green
2017-09-13: gregg h. alton sells 25,000 shares of gilead sciences, inc. $gild stock |still long  gild: uptr… $gild |tip #4 how to identify a hot sector?  #stocks #trading $dgly $gild $ugaz $biib $ma|rt AT_USER to
2017-09-14: $gild  pricing of senior unsecured notes in an aggregate principal amount of $3  billion|rt AT_USER malaysia will issue a license for generic versions of gilead's sovaldi hepatitis c pill..  #pharma $
2017-09-15: AT_USER AT_USER $gild cr (complete remission) in the terminal cases they (fda) are indicating their car t for is about 40%. 5yrs+some|don't miss our next free option trade.  sign up for our daily free
2017-09-16: rt AT_USER going short car-t names over weekend could be a disaster.  another car-t buyout by $gild or $celg $nvs will cause stocks¡­|don't miss our next free option trade.  sign up for our daily free
2017-09-17: don't miss our next free option trade.  sign up for our daily free trades at  $nvda $tsla $gs $gild $biib $googl $fb|argentiere capital ag lowered its gilead sciences $put $gild holding by $412,500 as
2017-09-18: rt AT_USER traderlion current positions summary: $gild $athm $baba $jd $evbg $tdoc $uctt $sq $tsla $pcty $nvda $glyc $nvcr |like it or not, but $gild's  techical report is impressive |don't miss our n
2017-09-19: rt AT_USER artificially intelligent fund AT_USER acquires large position in kite pharma $kite $gild $ibb |artificially intelligent fund AT_USER acquires large position in kite pharma $kite $gild $ibb 
2017-09-20: $gild gild's hiv franchise are taking ms from gsk and when bic arrives in feb 2018, gild will continue to have the best of the best in hiv|$gild kite's car t therapy should be in hospitals by december
2017-09-21: rt AT_USER similarly, $onxx acq by $amgn &amp; $kite by $gild etc returned enormous capital to group beyond what's consumed by early¡­|rt AT_USER similarly, $onxx acq by $amgn &amp; $kite by $gild etc
Answer:
Rise