Investors Grab ATO Even Cheaper Than Its Secondary Stock Offering By: Market News Video December 19, 2017 at 12:02 PM EST Looking back to 21 days ago, Atmos Energy Corp. (ATO) priced a 4,558,404 share secondary stock offering at $87.75 per share.. Read More >> Related Stocks: Atmos Energy Corp Utilities Ishares Edge MSCI Multifactor ETF