 Shares of Atkore International Group Inc NYSE:ATKR rose 5.5 on Wednesday . The stock traded as high as 26.05 and last traded at 25.00, approximately 430,807 shares were traded during mid-day trading. A decline of 7 from the average daily volume of 462,244 shares. The stock had previously closed at 23.69. ATKR has been the ... 