Contemplate the data and tweets to guess whether the closing price of $bbl will surge or decline at 2015-06-26. Please declare either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-06-12,0.4,0.4,-0.4,-0.0,-0.0,-1.2,-0.9,0.1,2.1,5.1,7.0
2015-06-15,-0.2,0.6,-0.4,-1.4,-1.4,0.5,0.4,1.1,2.6,5.8,7.8
2015-06-16,-0.7,0.1,-0.9,0.2,0.2,0.8,-0.1,0.7,1.9,4.9,7.0
2015-06-17,-0.4,0.4,-1.7,0.7,0.7,-0.1,-0.9,-0.1,1.0,3.5,5.6
2015-06-18,0.0,0.5,-1.4,2.1,2.1,-1.9,-2.6,-2.2,-1.3,0.7,3.0
2015-06-19,0.7,1.0,0.0,-1.1,-1.1,-0.7,-1.2,-1.2,-0.4,1.2,3.7
2015-06-22,0.5,0.9,-0.2,1.0,1.0,-1.1,-1.7,-2.0,-1.6,-0.4,2.2
2015-06-23,-1.6,0.0,-1.6,1.7,1.7,-1.8,-2.7,-3.5,-3.1,-2.3,0.1
2015-06-24,0.4,1.3,-0.1,0.1,0.1,-1.2,-2.4,-3.4,-3.1,-2.4,-0.4
2015-06-25,1.8,1.9,-0.2,-2.7,-2.7,1.3,0.3,-0.5,-0.4,0.2,1.8

2015-06-15: $bbl:bhp billiton plc upgraded to hold at zacks (bbl):
Answer:
Fall