Sep 9, 2010 11:46AM Airgas (ARG) September and October volatility elevated, shares trends lower after rejects Air Products offer

Aug 23, 2010 07:25AM Airgas (ARG) volatility flat; shares above Air Products acquisition offer

Aug 17, 2010 09:18AM Airgas (ARG) volatility low; shares above Air Products (APD) acquisition offer

Jul 9, 2010 07:57AM Airgas (ARG) volatility flat; Air Products (APD) raises offer to $63.50

Feb 5, 2010 09:46AM Airgas (ARG) volatility flat into Air Products (APD) unsolicited $60 buyout proposal

Feb 5, 2010 08:27AM Airgas (ARG) volatility flat into Air Products (APD) unsolicited $60 buyout proposal