Contemplate the data and tweets to guess whether the closing price of $ba will surge or decline at 2017-09-20. 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
2017-09-06,1.2,1.4,-0.1,-1.0,-1.0,1.6,1.5,1.4,1.1,1.1,1.2
2017-09-07,-0.7,0.1,-0.9,0.7,0.7,0.5,0.7,0.6,0.4,0.4,0.5
2017-09-08,-1.3,0.3,-1.5,1.0,1.0,-0.6,-0.3,-0.4,-0.5,-0.6,-0.5
2017-09-11,-0.5,0.5,-0.5,0.8,0.8,-1.3,-0.9,-1.0,-1.1,-1.3,-1.3
2017-09-12,0.0,0.5,-0.7,-0.0,-0.0,-1.0,-0.7,-0.8,-1.0,-1.2,-1.3
2017-09-13,-0.8,0.6,-2.0,0.6,0.6,-0.9,-1.2,-1.3,-1.5,-1.7,-1.8
2017-09-14,-0.9,0.2,-1.1,1.4,1.4,-1.6,-2.3,-2.5,-2.7,-2.9,-3.0
2017-09-15,-0.7,0.4,-1.1,1.5,1.5,-2.2,-3.4,-3.7,-3.9,-4.1,-4.3
2017-09-18,-1.2,0.3,-1.6,1.6,1.6,-2.8,-4.5,-4.8,-5.1,-5.3,-5.6
2017-09-19,0.2,1.1,-0.3,-0.2,-0.2,-1.6,-3.6,-4.1,-4.5,-4.9,-5.2

2017-09-06: #boeing $ba #wins $499 million u.s. #defense #contract: #pentagon. details here  |s&amp;p 500 futures: these 5 dow titans are near buy points $mcd $hd $ba $wmt $msft   AT_USER| must read article on ho
2017-09-07: good technicals, but also a nice setup pattern forming for $ba   #kickoff2017 #leadgeneration |rt AT_USER $ba broke dtl and forming inverse h&amp;s |$ flows: selling on strength: among stocks that wer
2017-09-08: spirit and sun country back bombardier against boeing  $ba|spirit and sun country back bombardier against boeing  $ba #boeing|make america great again with this new etf  $ba $brk.b $gs  via AT_USER|do
2017-09-09: rt AT_USER with #exascale expect quantum leap in #ai #ml #robotics #aerospace #auto #pharma $goog $msft $intc $aapl $amd $amzn $f $gm $¡­|test account1 with 2 top tweets today from aug 30 on the $fb f
2017-09-10: rt AT_USER #bombardier valuation of undervalued. $bbd.b.ca $bdrbf #tsx #stockmarket #canada $ba |boeing remains the djia¡¯s best performing stock this year   $ba $aapl $v $mcd $cat|10 winners from the
2017-09-11: $ba britain can now move on with brexit talks, pm may says after parliamentary vote now on |rt AT_USER long setups $cat $ba $q $dxc $splk $blue $grub $nvcr $btu |$fb $baba $tsla $nflx $ba $aapl $celg 
2017-09-12: $ba boeing, malaysia airlines sign memorandum of understanding for 16 airplanes now on |commented on  $ba $noc $rtn $lmt|commented on  $dlakf $eadsf $fdx $ba|commented on  $ba $noc $rtn $lmt|malaysia 
2017-09-13: #boeing wins nearly $600-million contract for air force one preliminary design. read more:  $ba|is $klxi coupled with $ba destroying $wair business model?|#buffett: market not in a bubble situation   
2017-09-14:  try binary options this year? $aks $mcd $ba $fb $twtr|investors sell shares of boeing company $the $ba on strength $ba |tsla on the move - market update by vince vora for september 14th, 2017 $aapl $
2017-09-15: $ba cleared highs today. chart looks pretty textbook|traders sell boeing company $the $ba on strength $ba |traders sell boeing company $the $ba on strength $ba |#imagination and #creativity will grow 
2017-09-16: rt AT_USER all kidding aside, i need a job &amp; fast $aapl $amzn $brk $crm $cmg $ko $dis $twx $vrx $agn $pep $ibm $msft $hlf $jnj $hd $go¡­|stocks overvalued but still want exposure? consider those w
2017-09-17: rt AT_USER northrop grumman said near deal to buy orbital atk  $noc $oa $utx $ba $col |macd(12, 26, 9) bull crossover stocks: $ba, $ctl, $fox, $fslr, $hmny, $kors, $twx  |$khc has a pretty complicated
2017-09-18: $ba ridicerous, sheesh|justin trudeau says canada will not buy from boeing while it is ¡®busy trying to sue us¡¯  $ba #boeing|justin trudeau says canada will not buy from boeing while it is ¡®busy try
2017-09-19: boeing company $the $ba cut to hold at zacks investment research |boeing company $the $ba cut to hold at zacks investment research |$ba billionaire paul allen fires up the boeing 747 engines on his gi
Answer:
Rise