Contemplate the data and tweets to guess whether the closing price of $aal will surge or decline at 2017-05-01. Please declare either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-04-17,-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
2017-04-27,-0.2,0.5,-3.6,-5.2,-5.2,3.9,2.2,0.6,-0.8,-1.6,-2.3
2017-04-28,3.3,3.4,-0.1,-3.1,-3.1,6.1,5.3,3.9,2.4,1.7,0.8

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 
2017-04-27: why american airlines group inc stock is taking a hard hit today  $aal #earnings #revenue #income #sales #dividend|why american airlines group inc stock is taking a hard hit today  $aal #earnings #rev
2017-04-28: american airlines group's buy rating reiterated at deutsche bank ag. $54.00 pt.  $aal #aal|american airlines group inc $aal earns buy rating from deutsche bank ag |american airlines group inc $aal ear
2017-04-29: american airlines group inc $aal short interest up 8.2% in march |$dal &amp; $aal #airlinestocks video analysis with important #stocks #trading levels for week 01 may &gt;¡­  via uk_stocktw¡­|$dal &am
2017-04-30: $aal #nasdaq #stocks video analysis &amp; forecast with important #trading levels for week 01 may &gt;¡­ |you¡¯re never going to get $10,000 for your united airlines seat - bloomberg  $ual $dal $aal|$
Answer:
Fall