Shares of Comcast Co. (NASDAQ:CMCSA – Get Free Report) shot up 0.7% during mid-day trading on Tuesday . The company traded as high as $39.63 and last traded at $39.49. 2,463,052 shares were traded during trading, a decline of 88% from the average session volume of 20,541,432 shares. The stock had previously closed at $39.21. […]