 BidaskClub upgraded shares of Atrion NASDAQ:ATRI from a sell rating to a hold rating in a report issued on Thursday, BidAskClub reports. Shares of ATRI stock opened at 617.10 on Thursday. The stock has a market capitalization of 1.14 billion, a PE ratio of 31.28 and a beta of 0.36. The firms 50 day moving ... 