Scrutinize the data and tweets to envisage if the closing price of $cat will swell or contract at 2015-08-21. 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
2015-08-07,0.3,1.1,-0.5,-0.2,-0.2,-0.2,-0.0,0.9,2.7,3.3,4.3
2015-08-10,-2.6,0.2,-2.8,3.7,3.7,-3.1,-3.0,-2.9,-1.2,-0.5,0.3
2015-08-11,0.9,1.1,-1.0,-2.6,-2.6,-0.1,-0.3,-0.6,1.1,1.9,2.7
2015-08-12,-2.0,0.3,-2.5,1.1,1.1,-0.7,-1.2,-1.8,-0.3,0.7,1.4
2015-08-13,1.0,1.1,-0.1,-1.5,-1.5,0.9,0.2,-0.2,0.8,2.0,2.7
2015-08-14,-1.1,0.3,-1.1,0.9,0.9,0.2,-0.8,-0.9,-0.4,0.9,1.5
2015-08-17,-0.5,0.1,-1.7,0.1,0.1,-0.2,-0.7,-0.7,-0.7,0.6,1.3
2015-08-18,-0.4,0.2,-0.8,0.4,0.4,-0.4,-0.7,-1.0,-1.3,0.0,0.7
2015-08-19,1.1,1.5,-0.5,-1.8,-1.8,1.0,1.1,0.8,0.4,1.5,2.4
2015-08-20,1.1,1.9,0.0,-1.3,-1.3,2.0,2.3,2.0,1.7,2.5,3.5

2015-08-07: rt AT_USER top insider buys of the last week of july $ddcc $nav $cat $fcsc $hpto  |xli industrials select sector spdr investor opinions$xli $cat $skx $cg.to #xli #stockmarket #stockmarketxlk…|rt AT_US
2015-08-08: interactive chart -&gt;      $cat cash from operations is fading. |coh coach, inc. stock message board$coh $adbe $cat $_wwe #coh #finance #nasdaq|$nvda stock forum updated saturday, august 8, 2015 06:
2015-08-10: head-to-head: see how AT_USER $kmt competes with caterpillarinc $cat : |spdr s&amp;p 500 etf trust $spy 60 min $210 $goog $amzn $xom $bax $lnkd $expe $brcm $aapl $bax $cat $uso $etsy $twtr $pg |cat 78
2015-08-11: s&amp;p100 #stocks performance $hal $cat $aapl $apc $oxy $dvn $hpq $cop $slb $intc $met $cvx $twx $dow $xom  more@ 
2015-08-12: $cat $epzm:top stories: frontier communications corporation (nasdaq:ftr …:|s&amp;p100 #stocks performance $hal $cat $aapl $apc $oxy $dvn $hpq $cop $slb $intc $met $cvx $twx $dow $xom  more@ |rt AT_USE
2015-08-13: shak shake shack inc. e.p.s.$shak $mdy $spxs $cat #shak #tradeideas #stocks|do you know everything while trading in $djia $cat $xom $gs  |cat caterpillar, inc. financials$cat $gdxj $aem.to $ashr #cat 
2015-08-14: cat caterpillar, inc. bid$cat $gpro $tvix $mnkd #cat #share #share
2015-08-18: #slideshow: is now the best time to buy this beaten-down $dow #stock?  #investing #dividends $cat #markets
2015-08-19: $cat - buy signal at 78.54 on aug 17, 15 by yamasuta, free algorithmic trading software  #stock #trading #trade|weekly dow #stocks trend $hd $mcd $trv $msft $unh $axp $nke $mrk $ba $jpm $ko $cat $v $p
2015-08-20: rt AT_USER caterpillar rolling 3-month world revenue lower by 11% in july$cat|акции сша: сетап на продажу caterpillar (cat) $cat…  ~ via |$cat received a new alert. find out why at  #stocks #daytradin
Answer:
Scrutinize the data and tweets to envisage if the closing price of $cat will swell or contract at 2015-08-21. 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
2015-08-07,0.3,1.1,-0.5,-0.2,-0.2,-0.2,-0.0,0.9,2.7,3.3,4.3
2015-08-10,-2.6,0.2,-2.8,3.7,3.7,-3.1,-3.0,-2.9,-1.2,-0.5,0.3
2015-08-11,0.9,1.1,-1.0,-2.6,-2.6,-0.1,-0.3,-0.6,1.1,1.9,2.7
2015-08-12,-2.0,0.3,-2.5,1.1,1.1,-0.7,-1.2,-1.8,-0.3,0.7,1.4
2015-08-13,1.0,1.1,-0.1,-1.5,-1.5,0.9,0.2,-0.2,0.8,2.0,2.7
2015-08-14,-1.1,0.3,-1.1,0.9,0.9,0.2,-0.8,-0.9,-0.4,0.9,1.5
2015-08-17,-0.5,0.1,-1.7,0.1,0.1,-0.2,-0.7,-0.7,-0.7,0.6,1.3
2015-08-18,-0.4,0.2,-0.8,0.4,0.4,-0.4,-0.7,-1.0,-1.3,0.0,0.7
2015-08-19,1.1,1.5,-0.5,-1.8,-1.8,1.0,1.1,0.8,0.4,1.5,2.4
2015-08-20,1.1,1.9,0.0,-1.3,-1.3,2.0,2.3,2.0,1.7,2.5,3.5

2015-08-07: rt AT_USER top insider buys of the last week of july $ddcc $nav $cat $fcsc $hpto  |xli industrials select sector spdr investor opinions$xli $cat $skx $cg.to #xli #stockmarket #stockmarketxlk…|rt AT_US
2015-08-08: interactive chart -&gt;      $cat cash from operations is fading. |coh coach, inc. stock message board$coh $adbe $cat $_wwe #coh #finance #nasdaq|$nvda stock forum updated saturday, august 8, 2015 06:
2015-08-10: head-to-head: see how AT_USER $kmt competes with caterpillarinc $cat : |spdr s&amp;p 500 etf trust $spy 60 min $210 $goog $amzn $xom $bax $lnkd $expe $brcm $aapl $bax $cat $uso $etsy $twtr $pg |cat 78
2015-08-11: s&amp;p100 #stocks performance $hal $cat $aapl $apc $oxy $dvn $hpq $cop $slb $intc $met $cvx $twx $dow $xom  more@ 
2015-08-12: $cat $epzm:top stories: frontier communications corporation (nasdaq:ftr …:|s&amp;p100 #stocks performance $hal $cat $aapl $apc $oxy $dvn $hpq $cop $slb $intc $met $cvx $twx $dow $xom  more@ |rt AT_USE
2015-08-13: shak shake shack inc. e.p.s.$shak $mdy $spxs $cat #shak #tradeideas #stocks|do you know everything while trading in $djia $cat $xom $gs  |cat caterpillar, inc. financials$cat $gdxj $aem.to $ashr #cat 
2015-08-14: cat caterpillar, inc. bid$cat $gpro $tvix $mnkd #cat #share #share
2015-08-18: #slideshow: is now the best time to buy this beaten-down $dow #stock?  #investing #dividends $cat #markets
2015-08-19: $cat - buy signal at 78.54 on aug 17, 15 by yamasuta, free algorithmic trading software  #stock #trading #trade|weekly dow #stocks trend $hd $mcd $trv $msft $unh $axp $nke $mrk $ba $jpm $ko $cat $v $p
2015-08-20: rt AT_USER caterpillar rolling 3-month world revenue lower by 11% in july$cat|акции сша: сетап на продажу caterpillar (cat) $cat…  ~ via |$cat received a new alert. find out why at  #stocks #daytradin
Answer:+Fall