Scrutinize the data and tweets to envisage if the closing price of $duk will swell or contract at 2015-09-22. 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
2015-09-08,-0.8,0.0,-1.2,1.6,1.6,-0.5,1.3,4.0,5.3,5.4,5.4
2015-09-09,2.1,2.3,-0.2,-1.7,-1.7,0.9,2.8,5.0,6.6,6.9,7.0
2015-09-10,0.7,1.1,-0.4,-0.7,-0.7,1.2,2.9,4.8,6.8,7.4,7.5
2015-09-11,-1.0,0.0,-1.6,0.9,0.9,0.1,1.4,3.0,5.3,6.1,6.3
2015-09-14,0.1,0.8,-0.3,-0.0,-0.0,0.1,0.8,2.3,4.8,5.8,6.1
2015-09-15,-0.3,0.5,-1.3,0.4,0.4,-0.5,0.1,1.5,3.8,5.1,5.4
2015-09-16,-0.4,0.3,-0.8,0.9,0.9,-1.1,-0.8,0.5,2.4,3.9,4.3
2015-09-17,-1.0,1.5,-1.3,1.1,1.1,-1.5,-1.7,-0.7,0.8,2.5,3.1
2015-09-18,-0.3,0.9,-0.4,-0.7,-0.7,-0.5,-1.0,-0.3,0.9,2.8,3.6
2015-09-21,-1.1,0.2,-1.1,0.9,0.9,-0.9,-1.6,-1.4,-0.4,1.6,2.5

2015-09-09: $duk is rated buy, 14.7% upside by wall street analysts based on average ratings/targets  
2015-09-15: 'jbem' pick rxii upcoming catalyst:read here:  $kone $envi $lre $else $kof $tap $duk $pg
Answer:
Scrutinize the data and tweets to envisage if the closing price of $duk will swell or contract at 2015-09-22. 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
2015-09-08,-0.8,0.0,-1.2,1.6,1.6,-0.5,1.3,4.0,5.3,5.4,5.4
2015-09-09,2.1,2.3,-0.2,-1.7,-1.7,0.9,2.8,5.0,6.6,6.9,7.0
2015-09-10,0.7,1.1,-0.4,-0.7,-0.7,1.2,2.9,4.8,6.8,7.4,7.5
2015-09-11,-1.0,0.0,-1.6,0.9,0.9,0.1,1.4,3.0,5.3,6.1,6.3
2015-09-14,0.1,0.8,-0.3,-0.0,-0.0,0.1,0.8,2.3,4.8,5.8,6.1
2015-09-15,-0.3,0.5,-1.3,0.4,0.4,-0.5,0.1,1.5,3.8,5.1,5.4
2015-09-16,-0.4,0.3,-0.8,0.9,0.9,-1.1,-0.8,0.5,2.4,3.9,4.3
2015-09-17,-1.0,1.5,-1.3,1.1,1.1,-1.5,-1.7,-0.7,0.8,2.5,3.1
2015-09-18,-0.3,0.9,-0.4,-0.7,-0.7,-0.5,-1.0,-0.3,0.9,2.8,3.6
2015-09-21,-1.1,0.2,-1.1,0.9,0.9,-0.9,-1.6,-1.4,-0.4,1.6,2.5

2015-09-09: $duk is rated buy, 14.7% upside by wall street analysts based on average ratings/targets  
2015-09-15: 'jbem' pick rxii upcoming catalyst:read here:  $kone $envi $lre $else $kof $tap $duk $pg
Answer:+Fall