Contemplate the data and tweets to guess whether the closing price of $aal will surge or decline at 2017-03-21. 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
2017-03-07,0.4,0.9,-0.6,-1.0,-1.0,2.5,2.8,3.5,3.3,2.4,2.9
2017-03-08,-0.2,0.9,-0.6,0.1,0.1,1.4,2.4,3.1,3.1,2.3,2.6
2017-03-09,2.7,3.7,-0.2,-3.5,-3.5,3.9,5.5,6.2,6.7,5.9,5.9
2017-03-10,-1.0,0.1,-2.1,1.3,1.3,1.3,3.5,4.3,5.0,4.6,4.1
2017-03-13,3.2,4.1,-0.3,-3.5,-3.5,3.5,6.4,7.4,8.3,8.2,7.5
2017-03-14,2.1,2.2,-0.9,-2.7,-2.7,4.7,8.1,9.5,10.6,10.8,10.3
2017-03-15,-3.8,0.2,-4.5,2.1,2.1,1.2,4.7,6.5,7.8,8.2,7.8
2017-03-16,0.1,0.5,-1.6,0.1,0.1,0.5,3.7,5.8,7.0,7.9,7.5
2017-03-17,0.7,1.2,-0.3,-1.0,-1.0,0.4,3.5,6.1,7.4,8.5,8.4
2017-03-20,1.2,1.7,-0.6,-0.0,-0.0,0.2,2.7,5.4,6.9,8.1,8.3

2017-03-07: #americanairlines head of aa's charlotte hub announces plans to retire this summer. read more:  $aal|#americanairlines head of aa's charlotte hub announces plans to retire this summer. read more:  $aa
2017-03-08: copper production by country  $gs $aal $scco $rio $bhp $glen |noteworthy wednesday option activity: $cva $aal $vlo #stockoptions |missed this $aal story from AT_USER ? : not only are women in our busi
2017-03-09: $aal waiting for this to climb|cramer¡¯s 10 best s&amp;p performers since the great recession $incy $uri $regn $alk $wyn $nflx $aal $pcln $cbs $fitb |rt AT_USER mixed day for us stocks, with reits $xl
2017-03-10: but, $aal sure showed me some love today! :d AT_USER AT_USER AT_USER AT_USER AT_USER AT_USER|$aal may go up 8% if the bull pattern is confirmed. chk confirmation [71%] @  buy level:43.9150.|$aal  the 
2017-03-11: american airlines group inc $aal earns market perform rating from cowen and company |american airlines group inc $aal earns market perform rating from cowen and company  #acn|american airlines group i
2017-03-12: american &amp; united airlines borrow from spirit's flight plan:  $save $aal $ual |rt AT_USER fous4x2 #daytrading dvd review:  $aapl $fxcm $himx $asps $aal|fous4x2 #daytrading dvd review:  $aapl $fxcm
2017-03-13: rt AT_USER david tepper to appear on cnbc at 7:30am et on wed. watch if he makes any comment on his new buys  $teva $myl $mu $aal  &amp; hi¡­|purchased 500 shares of $aal after hours at $42.35 |flight
2017-03-14: #americanairlines offering free in-flight meals again!. read more:  $aal|AT_USER i bought share of $aal at $40.91 for a swing trade|#americanairlines brings back free meals on flights. read more:  $aa
2017-03-15: $aal nice bullish engulfing day.  held the 200sma as well. this looks set for higher.|#americanairlines plane diverts after spilled drink splashes electronic device. read more:  $aal|american airlines
2017-03-16: #americanairlines wall street frets as united and american duel for share at key hubs. read more:  $aal|how #americanairlines is landing the merger. read more:  $aal|$jets-american airlines group (aal
2017-03-17: american airlines group¡¯s $aal outperform rating reaffirmed at imperial capital  #acn|rt AT_USER joe lowry: argentina will produce more lithium than chile  $orl $aal $fmc $sqm $lac $gxy $alb |#angloa
2017-03-18: fous4x2 #daytrading dvd review:  $aapl $fxcm $himx $asps $aal|rt AT_USER how $aal is landing a merger:  (subscriber content)|why does #americanairlines link guatemala with chicago?. read more:  $aal|r
2017-03-19: rt AT_USER top s&amp;p 500 losers of the past week: $ual $aal $ftr $urbn $ilmn $m |joe lowry: argentina will produce more lithium than chile  $orl $aal $fmc $sqm $lac $gxy $alb |anil agarwal defends v
2017-03-20: rt AT_USER largest open interest increases among single stock options for 3/20 include $bac, $aapl, $snap, $fb, and $aal.|rt AT_USER stifel's argument for +127% upside on $aal revolves around their lo
Answer:
Fall