Analyze the information and social media posts to determine if the closing price of $abb will ascend or descend at 2015-09-08. Please 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
2015-08-24,-0.2,2.7,-1.5,-1.5,-1.5,3.2,5.5,6.7,6.8,7.0,7.5
2015-08-25,3.1,3.3,-0.1,-0.5,-0.5,2.4,5.1,6.7,7.0,7.1,7.6
2015-08-26,-0.1,0.1,-2.0,2.4,2.4,-0.7,1.9,3.7,4.2,4.4,4.8
2015-08-27,-1.2,0.5,-1.6,1.3,1.3,-2.0,0.2,2.0,2.7,2.8,3.3
2015-08-28,-0.9,0.2,-1.0,0.1,0.1,-1.7,-0.2,1.6,2.4,2.6,3.0
2015-08-31,-1.0,0.3,-1.2,-0.1,-0.1,-0.9,-0.5,1.2,2.3,2.6,2.9
2015-09-01,1.0,1.3,-0.4,-2.1,-2.1,1.5,1.1,2.8,4.2,4.6,4.8
2015-09-02,0.6,0.7,-1.1,-0.5,-0.5,1.7,1.2,2.8,4.3,4.9,5.1
2015-09-03,-0.1,0.8,-0.4,0.2,0.2,1.1,0.8,2.2,3.7,4.5,4.7
2015-09-04,-0.1,0.4,-0.6,-2.7,-2.7,2.8,3.2,4.4,6.0,7.0,7.3

2015-08-27: $jpm $abb:meet europe’s best activist investor:|rt AT_USER rt AT_USER the control room of the future, now available from $abb:  
2015-09-02: rt AT_USER $abb #microgrid to boost renewable #wind energy in remote communities of northern kenya:  
2015-09-04: rt AT_USER rt AT_USER $abb doubles #solar inverter installed base in #india to 2gw in just 5 months  
2015-09-07: rt AT_USER $abb unveils intelligent voice-activated #smarthome system at #ifa15:  
Answer:
Analyze the information and social media posts to determine if the closing price of $abb will ascend or descend at 2015-09-08. Please 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
2015-08-24,-0.2,2.7,-1.5,-1.5,-1.5,3.2,5.5,6.7,6.8,7.0,7.5
2015-08-25,3.1,3.3,-0.1,-0.5,-0.5,2.4,5.1,6.7,7.0,7.1,7.6
2015-08-26,-0.1,0.1,-2.0,2.4,2.4,-0.7,1.9,3.7,4.2,4.4,4.8
2015-08-27,-1.2,0.5,-1.6,1.3,1.3,-2.0,0.2,2.0,2.7,2.8,3.3
2015-08-28,-0.9,0.2,-1.0,0.1,0.1,-1.7,-0.2,1.6,2.4,2.6,3.0
2015-08-31,-1.0,0.3,-1.2,-0.1,-0.1,-0.9,-0.5,1.2,2.3,2.6,2.9
2015-09-01,1.0,1.3,-0.4,-2.1,-2.1,1.5,1.1,2.8,4.2,4.6,4.8
2015-09-02,0.6,0.7,-1.1,-0.5,-0.5,1.7,1.2,2.8,4.3,4.9,5.1
2015-09-03,-0.1,0.8,-0.4,0.2,0.2,1.1,0.8,2.2,3.7,4.5,4.7
2015-09-04,-0.1,0.4,-0.6,-2.7,-2.7,2.8,3.2,4.4,6.0,7.0,7.3

2015-08-27: $jpm $abb:meet europe’s best activist investor:|rt AT_USER rt AT_USER the control room of the future, now available from $abb:  
2015-09-02: rt AT_USER $abb #microgrid to boost renewable #wind energy in remote communities of northern kenya:  
2015-09-04: rt AT_USER rt AT_USER $abb doubles #solar inverter installed base in #india to 2gw in just 5 months  
2015-09-07: rt AT_USER $abb unveils intelligent voice-activated #smarthome system at #ifa15:  
Answer:+Rise