Atrion Co. (NASDAQ:ATRI – Get Free Report)’s stock price traded up 5.6% during trading on Friday . The company traded as high as $407.29 and last traded at $407.29. 27,813 shares were traded during mid-day trading, an increase of 63% from the average session volume of 17,037 shares. The stock had previously closed at $385.70. […]