Reflect on the provided data and tweets to anticipate if the closing price of $nvs is going to increase or decrease at 2015-09-18. 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
2015-09-03,0.9,1.1,-0.2,-0.3,-0.3,0.9,1.1,3.3,4.3,5.1,5.5
2015-09-04,0.0,0.5,-0.8,-0.8,-0.8,1.0,1.7,3.6,4.8,5.6,6.2
2015-09-08,-0.3,0.2,-1.0,1.8,1.8,-1.0,0.1,1.3,2.6,3.4,4.1
2015-09-09,2.3,2.4,-0.1,-0.4,-0.4,-0.3,0.6,1.2,2.7,3.6,4.4
2015-09-10,0.2,0.7,-0.3,0.5,0.5,-0.6,0.0,0.3,1.9,2.8,3.6
2015-09-11,-1.5,0.0,-1.5,0.3,0.3,-0.7,-0.5,-0.3,1.3,2.3,3.1
2015-09-14,0.1,0.3,-0.5,-1.0,-1.0,0.5,0.2,0.5,1.9,3.0,3.8
2015-09-15,-0.6,0.1,-0.8,0.8,0.8,-0.3,-0.7,-0.1,0.8,1.9,2.7
2015-09-16,-0.7,0.2,-1.0,1.4,1.4,-1.2,-1.8,-1.4,-0.9,0.3,1.1
2015-09-17,-0.9,1.0,-0.9,0.2,0.2,-1.1,-1.7,-1.5,-1.4,-0.1,0.7

2015-09-11: 'jbem' pick - rxii dd - read here:  $pphmp $hrc $sx60 $bio$cdxs $nvs $ivty $derm
2015-09-12: after-hours losers as of 5.25p.m.: $sbgl -6.3% $au -5.1% $gold -2.9% $nvs -2.4% $mfrm -1.6%
2015-09-15: icer recommended massive cuts to #pcsk9 drug prices, but says $nvs pricing for blockbuster entresto almost on point: 
2015-09-16: first patient dosed in mid-stage study of imetelstat in myelofibrosis  #premarket $jnj $gern $nvs
Answer:
Reflect on the provided data and tweets to anticipate if the closing price of $nvs is going to increase or decrease at 2015-09-18. 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
2015-09-03,0.9,1.1,-0.2,-0.3,-0.3,0.9,1.1,3.3,4.3,5.1,5.5
2015-09-04,0.0,0.5,-0.8,-0.8,-0.8,1.0,1.7,3.6,4.8,5.6,6.2
2015-09-08,-0.3,0.2,-1.0,1.8,1.8,-1.0,0.1,1.3,2.6,3.4,4.1
2015-09-09,2.3,2.4,-0.1,-0.4,-0.4,-0.3,0.6,1.2,2.7,3.6,4.4
2015-09-10,0.2,0.7,-0.3,0.5,0.5,-0.6,0.0,0.3,1.9,2.8,3.6
2015-09-11,-1.5,0.0,-1.5,0.3,0.3,-0.7,-0.5,-0.3,1.3,2.3,3.1
2015-09-14,0.1,0.3,-0.5,-1.0,-1.0,0.5,0.2,0.5,1.9,3.0,3.8
2015-09-15,-0.6,0.1,-0.8,0.8,0.8,-0.3,-0.7,-0.1,0.8,1.9,2.7
2015-09-16,-0.7,0.2,-1.0,1.4,1.4,-1.2,-1.8,-1.4,-0.9,0.3,1.1
2015-09-17,-0.9,1.0,-0.9,0.2,0.2,-1.1,-1.7,-1.5,-1.4,-0.1,0.7

2015-09-11: 'jbem' pick - rxii dd - read here:  $pphmp $hrc $sx60 $bio$cdxs $nvs $ivty $derm
2015-09-12: after-hours losers as of 5.25p.m.: $sbgl -6.3% $au -5.1% $gold -2.9% $nvs -2.4% $mfrm -1.6%
2015-09-15: icer recommended massive cuts to #pcsk9 drug prices, but says $nvs pricing for blockbuster entresto almost on point: 
2015-09-16: first patient dosed in mid-stage study of imetelstat in myelofibrosis  #premarket $jnj $gern $nvs
Answer:+Fall