Scrutinize the data and tweets to envisage if the closing price of $nvs will swell or contract at 2015-08-06. 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
2015-07-23,0.5,0.5,-0.4,1.7,1.7,0.9,1.2,-0.4,-1.2,-1.2,-1.3
2015-07-24,1.5,1.6,-0.2,-1.2,-1.2,1.4,2.3,1.0,0.1,-0.0,-0.1
2015-07-27,0.9,0.9,-0.2,-0.3,-0.3,0.7,2.4,1.4,0.4,0.3,0.1
2015-07-28,-0.6,0.0,-1.0,1.2,1.2,-0.7,0.8,0.4,-0.6,-0.9,-1.0
2015-07-29,-0.1,0.3,-0.2,0.9,0.9,-1.1,-0.1,-0.1,-1.2,-1.7,-1.8
2015-07-30,-0.1,0.2,-0.8,-0.5,-0.5,-0.6,0.1,0.6,-0.5,-1.2,-1.2
2015-07-31,0.7,1.0,-0.1,0.6,0.6,-0.7,-0.6,0.0,-0.9,-1.6,-1.7
2015-08-03,0.1,0.1,-0.7,0.6,0.6,-0.8,-1.4,-0.5,-1.2,-2.0,-2.1
2015-08-04,0.6,0.7,-0.2,-0.8,-0.8,0.1,-0.6,0.1,-0.2,-1.1,-1.3
2015-08-05,-0.4,0.4,-0.4,-0.3,-0.3,0.4,-0.1,0.3,0.3,-0.6,-1.0

2015-07-23: $bmy and $exel make headway against $nvs in kidney #cancer 
2015-07-30: $nvs: analyst action by leerink swann on novartis:  
2015-07-31: AT_USER $nvs is facing cd19 negs, too, and they are using the same cd22 construct as $juno/nih - ip issue in favor of juno.|i just favorited  ($nvs) 
2015-08-04: "jet life" penny stock$: $epgl weekly chart $nvs #autofocus #bioniclens 
2015-08-05: rt AT_USER #fda to update $nvs' gilenya label with brain-infection risk warning 
Answer:
Scrutinize the data and tweets to envisage if the closing price of $nvs will swell or contract at 2015-08-06. 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
2015-07-23,0.5,0.5,-0.4,1.7,1.7,0.9,1.2,-0.4,-1.2,-1.2,-1.3
2015-07-24,1.5,1.6,-0.2,-1.2,-1.2,1.4,2.3,1.0,0.1,-0.0,-0.1
2015-07-27,0.9,0.9,-0.2,-0.3,-0.3,0.7,2.4,1.4,0.4,0.3,0.1
2015-07-28,-0.6,0.0,-1.0,1.2,1.2,-0.7,0.8,0.4,-0.6,-0.9,-1.0
2015-07-29,-0.1,0.3,-0.2,0.9,0.9,-1.1,-0.1,-0.1,-1.2,-1.7,-1.8
2015-07-30,-0.1,0.2,-0.8,-0.5,-0.5,-0.6,0.1,0.6,-0.5,-1.2,-1.2
2015-07-31,0.7,1.0,-0.1,0.6,0.6,-0.7,-0.6,0.0,-0.9,-1.6,-1.7
2015-08-03,0.1,0.1,-0.7,0.6,0.6,-0.8,-1.4,-0.5,-1.2,-2.0,-2.1
2015-08-04,0.6,0.7,-0.2,-0.8,-0.8,0.1,-0.6,0.1,-0.2,-1.1,-1.3
2015-08-05,-0.4,0.4,-0.4,-0.3,-0.3,0.4,-0.1,0.3,0.3,-0.6,-1.0

2015-07-23: $bmy and $exel make headway against $nvs in kidney #cancer 
2015-07-30: $nvs: analyst action by leerink swann on novartis:  
2015-07-31: AT_USER $nvs is facing cd19 negs, too, and they are using the same cd22 construct as $juno/nih - ip issue in favor of juno.|i just favorited  ($nvs) 
2015-08-04: "jet life" penny stock$: $epgl weekly chart $nvs #autofocus #bioniclens 
2015-08-05: rt AT_USER #fda to update $nvs' gilenya label with brain-infection risk warning 
Answer:+Fall