Atmos Energy (ATO) Shares Enter Oversold Territory By: Energy Stock Channel October 11, 2016 at 20:17 PM EDT In trading on Tuesday, shares of Atmos Energy Corp. (ATO) entered into oversold territory, changing hands as low as $68.98 per share.. Read More >> Related Stocks: Atmos Energy Corp Utilities Ishares Edge MSCI Multifactor ETF