Scrutinize the data and tweets to envisage if the closing price of $aal will swell or contract at 2017-04-27. 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
2017-04-12,1.9,3.2,-0.3,0.1,0.1,-2.8,-3.7,-4.1,-4.6,-4.3,-3.0
2017-04-13,1.4,1.5,-0.0,-1.4,-1.4,-0.6,-2.2,-2.4,-3.1,-2.9,-1.8
2017-04-17,-1.7,0.0,-2.0,2.0,2.0,-1.5,-3.7,-4.0,-4.7,-4.8,-3.9
2017-04-18,0.5,1.6,-0.9,-0.9,-0.9,0.1,-2.5,-2.7,-3.6,-3.8,-3.1
2017-04-19,-0.7,0.9,-1.1,1.3,1.3,-1.0,-3.0,-3.8,-4.4,-4.8,-4.5
2017-04-20,-1.1,0.4,-1.5,1.8,1.8,-2.3,-3.9,-5.0,-5.6,-6.2,-6.2
2017-04-21,0.8,0.8,-0.4,-0.2,-0.2,-1.3,-3.0,-4.5,-5.0,-5.8,-5.9
2017-04-24,-2.0,0.0,-2.1,2.9,2.9,-3.1,-4.6,-6.5,-7.2,-8.0,-8.3
2017-04-25,0.4,1.7,-0.5,0.4,0.4,-2.2,-4.1,-6.3,-7.0,-7.9,-8.4
2017-04-26,0.2,1.1,-0.3,-0.5,-0.5,-0.9,-3.1,-5.1,-6.2,-7.0,-7.6

2017-04-12: 04/12/17 volume leader #68 - aal 9,991,000 american airlines gp $aal 43.96 +0.03 +0.07% high today of 45.35 da |i recommend a 3rd ops metric-customer satisfaction! $brk $iep $skyw $cpa $jblu $dal $luv
2017-04-13: rt AT_USER $ore $orl gathering/pumping pond on #olaroz #lithium salar looking towards $aal #cauchari leases |indian billionaire anil agarwal buys 11.4% of miner #angloamerican. read more:  $aal|rt AT_
2017-04-14: american and delta alter policies on which passengers must give up their seats $aal  |key events that shaking up the market | $qcom $intc $ual $jpm $wfc $c $brk.a $brk.b $wmt $amzn $dal $aal | |4 us c
2017-04-15: transports week in review - rough week for markets across the board $aal $aaww $alk $arcb $atsg¡­¡­ |transports week in review - rough week for markets across the board  $aal $aaww $alk $arcb $atsg $c
2017-04-16: american airlines group inc $aal given average recommendation of ¡°buy¡± by analysts |american airlines group inc $aal given average recommendation of ¡°buy¡± by analysts |why airfare to #philly costs
2017-04-17: rt AT_USER $frnt $ual $aal hosting *frontier ipo* &amp; airline industry state-of-play call friday @ 11am. interesting data. ping sal¡­|$aal may go up 19% if the bull pattern is confirmed. chk confirm
2017-04-18: AT_USER i fly so seldom i don't want a stinkin voucher either! i want cash to use a different airline that doesn't over book. $ual $aal|american airlines group inc $aal stake boosted by telemus capita
2017-04-19: american airlines group inc $aal stock rating lowered by vetr inc. |quotient investors llc takes position in american airlines group inc $aal |AT_USER AT_USER i noticed you didn't mention $aal.  the  
2017-04-20: $aal american airlines gp 45.22 had 4,956,400 1 month highs. aal last price 45.22 last change +0.82 +1.85%.  |will american airlines¡¯ 1q17 revenue end its 2017 falling streak?  $aal #americanairlines
2017-04-21: american airlines group inc $aal shares sold by douglas lane &amp; associates llc |now $aal $ual raise baggage fees $5.... the "industry" keeps #winning |auto-trading subcriptions available at profect
2017-04-22: rt AT_USER AT_USER he's the owner of the stroller you broke and don't want to pay for. #shameonyou #americanairlines $aal |rt AT_USER american airlines investigating after employee-passenger confronta
2017-04-23: daily updated synthesis about $aal at  #8bit #maddma|vetr inc. downgrades american airlines group inc $aal to buy |american airlines group inc $aal lowered to ¡°equal weight¡± at morgan stanley |$aal 
2017-04-24: get dragged off of a #united $ual flight? harassed by an #american flight attendant?" $aal before calling thomas demetrio, call AT_USER|$dal let everybody off the hook with kenny g. ... way to go  $aa
2017-04-25: $aal - statement of changes in beneficial ownership (4) |$aal - statement of changes in beneficial ownership (4) |$aal - statement of changes in beneficial ownership (4) |$aal - statement of changes i
2017-04-26: AT_USER and $aal underperforming its peer -15% from jan 2015 high and flat ytd ...|rt AT_USER american airlines giving pilots 8% pay raise and flight attendants a 4% pay raise.  $aal pilots have been 
Answer:
Fall