Reflect on the provided data and tweets to anticipate if the closing price of $duk is going to increase or decrease at 2015-07-31. Kindly respond with either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-07-17,1.3,1.6,-0.1,-1.7,-1.7,0.7,0.8,-0.5,-0.9,-0.9,-1.0
2015-07-20,0.5,0.7,-0.7,-0.4,-0.4,0.9,1.3,0.1,-0.5,-0.4,-0.6
2015-07-21,1.1,1.1,-0.6,-1.2,-1.2,1.7,2.1,1.4,0.6,0.7,0.6
2015-07-22,0.1,0.9,-0.1,-0.1,-0.1,1.3,1.8,1.7,0.7,0.8,0.7
2015-07-23,1.0,1.0,-0.8,-1.1,-1.1,1.5,2.6,2.9,1.9,1.8,1.8
2015-07-24,-0.2,0.5,-0.6,0.2,0.2,0.8,2.1,2.6,1.8,1.5,1.6
2015-07-27,-1.7,0.4,-1.7,1.8,1.8,-1.1,0.1,0.8,0.1,-0.3,-0.2
2015-07-28,-0.5,0.3,-0.6,0.2,0.2,-1.1,-0.2,0.4,0.1,-0.5,-0.4
2015-07-29,-0.2,0.2,-1.0,-0.0,-0.0,-0.8,-0.3,0.3,0.3,-0.4,-0.3
2015-07-30,-1.0,0.3,-1.0,0.5,0.5,-0.8,-0.9,-0.3,-0.0,-0.7,-0.8

2015-07-17: $duk received a new alert. find out why at  #stocks #daytrading #trading #mkt  #nyse #nasdaq #markets 165
Answer:
Rise