Examine the data and tweets to deduce if the closing price of $abb will boost or lower at 2015-06-30. Kindly confirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-06-16,0.0,0.3,-0.5,0.4,0.4,0.5,0.5,-0.7,-1.5,-1.6,-2.1
2015-06-17,1.9,2.1,-0.9,-1.4,-1.4,1.3,1.9,0.8,0.0,-0.2,-0.6
2015-06-18,-0.7,0.8,-0.8,-0.6,-0.6,1.4,2.1,1.5,0.7,0.5,0.1
2015-06-19,0.8,0.9,-0.2,0.8,0.8,0.3,1.1,0.9,0.1,-0.3,-0.5
2015-06-22,0.8,0.8,-0.1,0.5,0.5,-0.4,0.4,0.5,-0.3,-0.8,-1.0
2015-06-23,-0.0,0.3,-0.4,-0.7,-0.7,0.0,1.0,1.3,0.5,-0.1,-0.2
2015-06-24,0.4,1.1,-0.0,-2.5,-2.5,2.1,3.0,3.7,3.0,2.5,2.3
2015-06-25,0.5,0.8,-0.1,-0.9,-0.9,2.4,3.4,4.1,3.9,3.4,3.2
2015-06-26,-1.3,0.0,-1.3,1.6,1.6,0.4,1.4,2.2,2.3,1.7,1.5
2015-06-29,1.0,1.6,-0.2,-2.7,-2.7,2.1,3.5,4.6,5.0,4.4,4.2

2015-06-20: abb abb ltd. stock message board$abb $mo $sune $lqd #abb #pennystocks #stockmarket
2015-06-24: storm ahead sailors! $abb sees "rough seas" in china but plans to stay on course with pricing structure. 
Answer:
Fall