Aetna (AET) Shares Cross Above 200 DMA By: Market News Video May 16, 2016 at 16:13 PM EDT In trading on Monday, shares of Aetna Inc. (AET) crossed above their 200 day moving average of $110.16, changing hands as high as $110.45 per share.. Read More >> Related Stocks: Aetna US Healthcare Providers Ishares ETF