Contemplate the data and tweets to guess whether the closing price of $ba will surge or decline at 2015-07-31. 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
2015-07-17,0.3,0.4,-0.6,-1.1,-1.1,0.3,-1.3,-2.4,-2.2,-2.3,-2.5
2015-07-20,0.3,0.3,-0.6,-0.1,-0.1,0.4,-0.8,-2.1,-2.1,-2.1,-2.3
2015-07-21,1.1,1.1,-0.5,-1.2,-1.2,1.2,0.5,-0.7,-1.0,-0.9,-1.1
2015-07-22,1.7,1.9,-0.9,1.0,1.0,0.2,-0.2,-1.3,-1.9,-1.7,-1.9
2015-07-23,0.6,1.3,-0.2,-0.2,-0.2,0.1,0.3,-0.8,-1.5,-1.4,-1.6
2015-07-24,1.2,1.7,-0.1,-1.4,-1.4,1.1,1.7,0.8,-0.1,-0.1,-0.1
2015-07-27,1.6,1.6,-0.2,-2.1,-2.1,2.5,3.5,3.0,2.0,2.0,2.0
2015-07-28,-0.1,0.3,-1.6,0.6,0.6,1.5,2.5,2.3,1.6,1.3,1.4
2015-07-29,-1.2,0.3,-1.2,1.6,1.6,-0.5,0.6,0.8,0.1,-0.3,-0.2
2015-07-30,0.2,0.6,-0.6,-0.8,-0.8,-0.1,1.1,1.6,1.0,0.4,0.6

2015-07-17: boeing topping echo ranger....$cdoc $bameet echo seeker..  $cdoc $ba |rt AT_USER .AT_USER $ba &amp; $nke...years ago $mcd and $ibm were on that list, too and look very compelling now - think unloved n
2015-07-19: $dal news: "boeing facing a difficult week prior to reporting earnings $dal $ba"   analyze: 
2015-07-21: $ba is rated buy, 12.2% upside by wall street analysts based on average ratings/targets  
2015-07-22: $ba received a new alert. find out why at  #stocks #daytrading #trading #mkt  #nyse #nasda… |analysts are saying $ba is undervalued. wth is wrong with money managers and whoever is selling/not buying 
2015-07-23: boeing earns outperform rating from sanford c. bernstein $ba |s&amp;p100 #stocks performance $abt $c $bac $acn $emc $low $celg $jpm $bk $ms $slb $ba $all $cost $wfc $nke  more@ |rt AT_USER $ba trimmed
2015-07-24: AT_USER AT_USER nothing like kicking the poor, little guys when down, eh? how will $ba $ge $cat ceos feed families?? 😳#endexim
2015-07-25: rt AT_USER the #boeing #787's improving reliability means fewer spare-part sales for suppliers.  $ba $col $utx #…
2015-07-27: $axp $ba $cat $csco $cvx $dd $dis long and short positions from the dow jones, up to 1800% since 2008.  $djia $dia|alert: new bollinger bands signal created on $ba - high at 142.6 - time: 13:41 - stre
2015-07-29: boeing co, airbus group in talks with spicejet -  $ba $eadsy 
2015-07-30: amzn  inc. p/e ratio$amzn $btu $nymx $ba.l #amzn #invest #share
Answer:
Contemplate the data and tweets to guess whether the closing price of $ba will surge or decline at 2015-07-31. 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
2015-07-17,0.3,0.4,-0.6,-1.1,-1.1,0.3,-1.3,-2.4,-2.2,-2.3,-2.5
2015-07-20,0.3,0.3,-0.6,-0.1,-0.1,0.4,-0.8,-2.1,-2.1,-2.1,-2.3
2015-07-21,1.1,1.1,-0.5,-1.2,-1.2,1.2,0.5,-0.7,-1.0,-0.9,-1.1
2015-07-22,1.7,1.9,-0.9,1.0,1.0,0.2,-0.2,-1.3,-1.9,-1.7,-1.9
2015-07-23,0.6,1.3,-0.2,-0.2,-0.2,0.1,0.3,-0.8,-1.5,-1.4,-1.6
2015-07-24,1.2,1.7,-0.1,-1.4,-1.4,1.1,1.7,0.8,-0.1,-0.1,-0.1
2015-07-27,1.6,1.6,-0.2,-2.1,-2.1,2.5,3.5,3.0,2.0,2.0,2.0
2015-07-28,-0.1,0.3,-1.6,0.6,0.6,1.5,2.5,2.3,1.6,1.3,1.4
2015-07-29,-1.2,0.3,-1.2,1.6,1.6,-0.5,0.6,0.8,0.1,-0.3,-0.2
2015-07-30,0.2,0.6,-0.6,-0.8,-0.8,-0.1,1.1,1.6,1.0,0.4,0.6

2015-07-17: boeing topping echo ranger....$cdoc $bameet echo seeker..  $cdoc $ba |rt AT_USER .AT_USER $ba &amp; $nke...years ago $mcd and $ibm were on that list, too and look very compelling now - think unloved n
2015-07-19: $dal news: "boeing facing a difficult week prior to reporting earnings $dal $ba"   analyze: 
2015-07-21: $ba is rated buy, 12.2% upside by wall street analysts based on average ratings/targets  
2015-07-22: $ba received a new alert. find out why at  #stocks #daytrading #trading #mkt  #nyse #nasda… |analysts are saying $ba is undervalued. wth is wrong with money managers and whoever is selling/not buying 
2015-07-23: boeing earns outperform rating from sanford c. bernstein $ba |s&amp;p100 #stocks performance $abt $c $bac $acn $emc $low $celg $jpm $bk $ms $slb $ba $all $cost $wfc $nke  more@ |rt AT_USER $ba trimmed
2015-07-24: AT_USER AT_USER nothing like kicking the poor, little guys when down, eh? how will $ba $ge $cat ceos feed families?? 😳#endexim
2015-07-25: rt AT_USER the #boeing #787's improving reliability means fewer spare-part sales for suppliers.  $ba $col $utx #…
2015-07-27: $axp $ba $cat $csco $cvx $dd $dis long and short positions from the dow jones, up to 1800% since 2008.  $djia $dia|alert: new bollinger bands signal created on $ba - high at 142.6 - time: 13:41 - stre
2015-07-29: boeing co, airbus group in talks with spicejet -  $ba $eadsy 
2015-07-30: amzn  inc. p/e ratio$amzn $btu $nymx $ba.l #amzn #invest #share
Answer:+Rise