Contemplate the data and tweets to guess whether the closing price of $hsbc will surge or decline at 2015-07-23. 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
2015-07-09,1.4,1.5,0.0,1.1,1.1,1.7,3.8,5.7,6.6,7.2,7.8
2015-07-10,0.5,0.5,-0.4,2.0,2.0,-0.9,1.2,3.2,4.1,4.8,5.5
2015-07-13,0.5,0.6,-0.2,1.3,1.3,-2.0,-0.6,1.6,2.5,3.3,3.9
2015-07-14,0.4,0.4,-0.1,0.3,0.3,-1.9,-1.0,0.9,1.9,2.8,3.4
2015-07-15,0.0,0.2,-0.4,0.3,0.3,-1.3,-1.3,0.1,1.4,2.2,2.8
2015-07-16,0.0,0.4,-0.1,1.2,1.2,-1.5,-2.4,-1.4,-0.0,0.8,1.4
2015-07-17,-0.1,0.1,-0.4,0.2,0.2,-1.0,-2.5,-1.7,-0.3,0.4,1.1
2015-07-20,-0.1,0.4,-0.3,0.7,0.7,-1.2,-2.9,-2.5,-1.1,-0.4,0.3
2015-07-21,0.1,0.4,-0.2,-0.2,-0.2,-0.6,-2.3,-2.3,-1.1,-0.3,0.3
2015-07-22,-0.5,0.1,-0.5,-0.8,-0.8,0.4,-1.0,-1.5,-0.6,0.3,1.0

2015-07-20: hsbc holdings plc upgraded by hsbc to buy $hsbc 
Answer:
Fall