Date GE Pfizer 10/25 53.6 67.3 11/3 65.8 50.5 11/5 69.8 57.5 11/11 46.6 44.2 11/17 36.3 37.8 11/23 55.9 39.7 11/29 56.5 39.1 12/1 68.9 44.8 12/6 58.8 53.3 12/9 39.1 31.7 12/13 67.9 47.2 12/22 43.0 35.7 12/30 28.9 29.8