By reviewing the data and tweets, can we predict if the closing price of $amgn will go upwards or downwards at 2015-09-21? Please indicate either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-09-04,0.3,1.3,-0.9,-1.5,-1.5,1.7,2.4,5.5,7.8,9.8,10.9
2015-09-08,-1.9,0.1,-2.3,5.1,5.1,-2.9,-2.1,-0.3,2.1,3.9,5.2
2015-09-09,3.4,3.8,-0.3,-2.3,-2.3,-0.2,0.5,1.3,3.9,5.7,7.2
2015-09-10,-1.5,0.8,-1.7,1.4,1.4,-1.4,-0.9,-0.7,1.9,3.7,5.4
2015-09-11,-0.8,0.2,-1.5,0.0,0.0,-0.9,-1.1,-1.1,1.4,3.2,4.9
2015-09-14,1.9,1.9,-0.6,-1.4,-1.4,1.1,0.1,0.2,2.3,4.2,5.9
2015-09-15,-0.1,0.4,-1.2,0.8,0.8,-0.0,-0.7,-0.4,1.0,2.9,4.6
2015-09-16,0.5,1.1,-1.8,-0.6,-0.6,0.6,0.2,0.5,1.1,3.2,4.8
2015-09-17,-1.4,1.6,-1.9,1.8,1.8,-1.1,-1.5,-1.3,-1.2,0.9,2.5
2015-09-18,0.4,1.8,-1.0,-2.2,-2.2,0.8,0.8,0.7,0.7,2.7,4.3

2015-09-05: $amgn:us novartis unit to start selling copy of amgen drug neupogen #amgen inc   #sp500
2015-09-08: s&amp;p100 #stocks performance $amgn $cl $wmt $dow $txn $intc $msft $unp $aapl $amzn $ms $gm $rtn $orcl $ba  more@ … |rt AT_USER AT_USER $amgn should buy $akba asap. this cheap that makes more sense t
2015-09-09: amgn amgen, inc. yield$amgn $ibm $uvxy $cny #amgn #stockmarket #stocks|uco proshares ultra dj-ubs crude oil news$uco $eem $amgn $tck/b.to #uco #investing #invest
2015-09-10: our stock alerts are seeing huge gains! get special early access to new picks:  $cmcsa $intc $amgn
2015-09-11: xlu utilities select sector spdr stock forum$xlu $amgn $vtae $tan #xlu #stockmarket #tradeideas
2015-09-14: our stock picks have gained over 1,000% in 2 months! see our new picks:  $cmcsa $intc $amgn
2015-09-15: amgn amgen, inc. yield$amgn $acrx $gmf $sh #amgn #invest #nasdaq
2015-09-20: $canf if $amgn is buying this experimental drug for $1.5b then can-fite takeover is a guarantee $100+ or $1 billion 
Answer:
By reviewing the data and tweets, can we predict if the closing price of $amgn will go upwards or downwards at 2015-09-21? Please indicate either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-09-04,0.3,1.3,-0.9,-1.5,-1.5,1.7,2.4,5.5,7.8,9.8,10.9
2015-09-08,-1.9,0.1,-2.3,5.1,5.1,-2.9,-2.1,-0.3,2.1,3.9,5.2
2015-09-09,3.4,3.8,-0.3,-2.3,-2.3,-0.2,0.5,1.3,3.9,5.7,7.2
2015-09-10,-1.5,0.8,-1.7,1.4,1.4,-1.4,-0.9,-0.7,1.9,3.7,5.4
2015-09-11,-0.8,0.2,-1.5,0.0,0.0,-0.9,-1.1,-1.1,1.4,3.2,4.9
2015-09-14,1.9,1.9,-0.6,-1.4,-1.4,1.1,0.1,0.2,2.3,4.2,5.9
2015-09-15,-0.1,0.4,-1.2,0.8,0.8,-0.0,-0.7,-0.4,1.0,2.9,4.6
2015-09-16,0.5,1.1,-1.8,-0.6,-0.6,0.6,0.2,0.5,1.1,3.2,4.8
2015-09-17,-1.4,1.6,-1.9,1.8,1.8,-1.1,-1.5,-1.3,-1.2,0.9,2.5
2015-09-18,0.4,1.8,-1.0,-2.2,-2.2,0.8,0.8,0.7,0.7,2.7,4.3

2015-09-05: $amgn:us novartis unit to start selling copy of amgen drug neupogen #amgen inc   #sp500
2015-09-08: s&amp;p100 #stocks performance $amgn $cl $wmt $dow $txn $intc $msft $unp $aapl $amzn $ms $gm $rtn $orcl $ba  more@ … |rt AT_USER AT_USER $amgn should buy $akba asap. this cheap that makes more sense t
2015-09-09: amgn amgen, inc. yield$amgn $ibm $uvxy $cny #amgn #stockmarket #stocks|uco proshares ultra dj-ubs crude oil news$uco $eem $amgn $tck/b.to #uco #investing #invest
2015-09-10: our stock alerts are seeing huge gains! get special early access to new picks:  $cmcsa $intc $amgn
2015-09-11: xlu utilities select sector spdr stock forum$xlu $amgn $vtae $tan #xlu #stockmarket #tradeideas
2015-09-14: our stock picks have gained over 1,000% in 2 months! see our new picks:  $cmcsa $intc $amgn
2015-09-15: amgn amgen, inc. yield$amgn $acrx $gmf $sh #amgn #invest #nasdaq
2015-09-20: $canf if $amgn is buying this experimental drug for $1.5b then can-fite takeover is a guarantee $100+ or $1 billion 
Answer:+Fall