Atrion Co. (NASDAQ:ATRI – Get Free Report) saw unusually-high trading volume on Monday . Approximately 9,095 shares were traded during mid-day trading, a decline of 49% from the previous session’s volume of 17,852 shares.The stock last traded at $400.29 and had previously closed at $395.01. Analyst Upgrades and Downgrades Separately, StockNews.com lowered Atrion from a […]