With the help of the data and tweets given, can you forecast whether the closing price of $chtr will climb or drop at 2015-07-21? Please state either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-07-07,-0.0,0.6,-2.6,0.5,0.5,-1.0,-2.1,-2.3,-2.1,-1.9,-1.3
2015-07-08,0.6,1.2,-1.0,-1.5,-1.5,0.6,-0.5,-0.7,-0.6,-0.5,0.1
2015-07-09,0.7,1.6,-0.6,0.2,0.2,0.3,-0.5,-0.9,-0.8,-0.7,-0.2
2015-07-10,-1.8,0.0,-2.2,2.7,2.7,-1.8,-2.6,-3.3,-3.4,-3.2,-2.9
2015-07-13,-0.3,0.2,-1.7,0.6,0.6,-1.9,-2.8,-3.5,-3.8,-3.7,-3.5
2015-07-14,1.2,1.5,-0.3,-0.8,-0.8,-0.8,-1.5,-2.5,-2.9,-2.8,-2.7
2015-07-15,-2.6,0.8,-3.3,2.2,2.2,-2.0,-3.1,-4.2,-4.7,-4.7,-4.8
2015-07-16,-0.8,0.6,-0.9,1.2,1.2,-2.0,-3.7,-4.8,-5.4,-5.6,-5.6
2015-07-17,-1.1,0.2,-1.9,1.4,1.4,-2.5,-4.3,-5.4,-6.3,-6.6,-6.7
2015-07-20,-0.9,0.1,-1.3,1.0,1.0,-2.5,-4.5,-5.8,-6.7,-7.2,-7.4

2015-07-09: rt AT_USER wall street breakfast: china rebounds but worries persist  $spy $qqq $aa $amzn $ba $bamxy $chtr $dd…|3 telecom and cable stocks with safety and huge free cash flow   $t $cmcsa $chtr
2015-07-10: dg dollar general corp. volume$dg $mdgn $pvsp $chtr #dg #finance #stockmarket
2015-07-11: our platinum subscribers saw their penny stock alerts gain over 350% in 2 weeks! big update:  $ssys $chtr $amcf
2015-07-19: our stock pick on $ppch is up over 300% since our original release at .02! huge news:  $ssys $chtr $amcf
Answer:
Fall