Bullish Two Hundred Day Moving Average Cross - ATRI By: Market News Video March 26, 2018 at 16:28 PM EDT In trading on Monday, shares of Atrion Corp. (ATRI) crossed above their 200 day moving average of $624.57, changing hands as high as $626.00 per share.. Read More >> Related Stocks: Atrion Corp Smallcap US Equity Select ETF FT