Scrutinize the data and tweets to envisage if the closing price of $abt will swell or contract at 2017-09-21. 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
2017-09-07,-0.2,0.3,-0.7,0.6,0.6,-0.6,-1.9,-2.7,-3.3,-3.6,-3.7
2017-09-08,-1.4,0.2,-1.4,1.0,1.0,-1.2,-2.4,-3.4,-3.9,-4.4,-4.5
2017-09-11,-0.2,0.3,-0.8,0.8,0.8,-1.6,-2.6,-3.7,-4.3,-4.9,-5.1
2017-09-12,0.5,0.6,-0.7,-0.4,-0.4,-0.7,-1.9,-2.9,-3.7,-4.3,-4.6
2017-09-13,0.5,0.6,-0.2,-0.5,-0.5,0.1,-1.0,-2.1,-2.9,-3.6,-3.9
2017-09-14,0.5,0.8,-0.2,-0.6,-0.6,0.8,-0.1,-1.3,-2.1,-2.8,-3.2
2017-09-15,-0.0,0.2,-0.5,0.1,0.1,0.5,-0.1,-1.1,-2.0,-2.6,-3.1
2017-09-18,-0.4,0.0,-0.9,0.6,0.6,-0.2,-0.5,-1.4,-2.3,-3.0,-3.6
2017-09-19,1.4,1.6,-0.1,-1.3,-1.3,0.7,0.8,0.1,-0.8,-1.5,-2.2
2017-09-20,-1.0,0.1,-1.0,0.9,0.9,-0.2,0.0,-0.6,-1.5,-2.2,-2.9

2017-09-07: $abt showing  the best technicals its sector  #wealth #rupee|AT_USER me 2. been long $abbv since it came out of the $abt womb. that is some serious trend following ;)|holy $abbv, batman! up 147% since
2017-09-08: $abt absolute software corp.  abt-ca  earnings analysis  2017 by the numbers   august 22, 2017¡­ |rt AT_USER #abbott recall signals new era in medical-device cybersecurity. read more:  $abt|#abbott re
2017-09-09: new video: stocks to watch for sep 9, 2017 $abt $bsx $ebay $mmc $zts $study #trading #trade #investing (st)¡­ |rt AT_USER #ai #ml #bigdata #nanotech t give massive boast t #wearabletech #medtech #digi
2017-09-10: abbott laboratories $abt receives $53.00 consensus price target from analysts |$abt  new call |sterneck capital management llc has $1.10 million stake in abbott laboratories $abt |abbott laboratories 
2017-09-11: health-care stocks poised for more gains  via AT_USER $rmd $xlv $bax $hsic $abt $bmy $jnj $pfe $mrk|$abt absolute software corp.  abt-ca  earnings analysis  2017 by the numbers   august 22, 2017¡­ |$a
2017-09-12: big call buyers  $nov $afl $icpt $snap $do $cvs $expr $payx $swn $vnet $abt $mrk $kr $ual $fast $lite $mdlz $xrt|$abt absolute software corp.  abt-ca  earnings analysis  2017 by the numbers   august 2
2017-09-13: investors buy shares of abbott laboratories $abt on weakness |investors buy shares of abbott laboratories $abt on weakness |price returns vs expected daily move $juno $fold $abbv $mrk $abt $celg $amgn
2017-09-14: get the latest news and updates for $rkus $nh $alb $abt $hci automatically with marketbeat daily |rt AT_USER $abt declares quarterly dividend of 26.5 cents per share:  #dividendaristocrat #dividend |s
2017-09-15: $abt  showing an excellent breakout setup pattern. check  for a possible trade suggestion |abbott laboratories $abt announces quarterly dividend of $0.27 |abbott laboratories $abt announces quarterly 
2017-09-16: $abt ready for breakout? check it out on chartmill   #usdollar #appleevent |impressive setup for  $abt on  #markets #free |abbott laboratories $abt stake lifted by smith salley &amp; associates |abbot
2017-09-17: the chartmill setup rating of $abt is on an all-time high  #videogames #theweekndfollotrain |rt AT_USER read $abt chief economist¡¯s take on young and mature economies poised for long-term growth in A
2017-09-18: johnson investment counsel has boosted abbott laboratories $abt position by $2.24 million ...|$abt absolute software corp.  abt-ca  earnings analysis  2017 by the numbers   august 22, 2017¡­ |abbott l
2017-09-19: analysts expect abbott laboratories $abt will post earnings of $0.65 per share |impressive setup for  $abt on  #inboundmarketing #innovation |3 value stocks at 52-week highs still worth buying -  | $a
2017-09-20: abbott labs com $abt shareholder blackhill capital cut its position as stock declined |capstone asset management co. sells 33,233 shares of abbott laboratories $abt |capstone asset management co. sell
Answer:
Fall