Scrutinize the data and tweets to envisage if the closing price of $gd will swell or contract at 2020-07-21. Please affirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2020-07-07,1.9,2.8,-0.1,-2.2,-2.2,1.5,1.4,3.3,3.9,4.8,4.1
2020-07-08,1.1,1.3,-0.6,-0.9,-0.9,1.7,1.8,3.7,4.2,5.6,5.1
2020-07-09,3.6,4.3,-0.1,-4.1,-4.1,4.7,5.6,7.3,7.9,9.6,9.3
2020-07-10,-2.7,0.1,-2.7,2.9,2.9,1.1,2.4,3.6,4.7,6.2,6.1
2020-07-13,0.1,1.1,-1.0,0.6,0.6,-0.3,1.6,2.3,3.9,5.0,5.4
2020-07-14,-0.8,0.4,-1.6,0.4,0.4,-0.9,0.9,1.5,3.2,4.0,4.9
2020-07-15,0.7,0.7,-0.4,1.7,1.7,-2.3,-1.0,-0.5,1.2,1.8,3.1
2020-07-16,-2.0,0.7,-2.7,1.9,1.9,-2.7,-2.7,-2.1,-0.9,-0.3,1.1
2020-07-17,0.3,0.5,-0.6,0.3,0.3,-2.0,-2.8,-2.3,-1.5,-0.5,0.7
2020-07-20,1.7,2.1,-0.1,-2.3,-2.3,0.7,-0.7,0.1,0.5,1.8,2.7


Answer:
Rise