Jun 6, 2012 12:41PM Argus Upgrades Chesapeake Energy (CHK) to Hold
May 15, 2012 03:39PM Notable 52-Week Highs and Lows of the Day 05/15: (DKS) (DF) (CL) High; (CHK) (MUX) (PCX) Low
Nov 17, 2011 09:40AM Argus Downgrades Chesapeake Energy (CHK) to Sell
Feb 10, 2011 08:20AM Argus Upgrades Chesapeake Energy (CHK) to Hold
Feb 1, 2011 08:57AM Daily State of the Markets 02/01: No News Is Good News For Now
Nov 30, 2010 11:17AM Notable Analyst Rating Changes 11/30: RIMM, C, ISSI, KGC Upgraded; EBAY, STX, RBY, CHK Downgraded
Nov 30, 2010 09:15AM Chesapeake Energy (CHK) Shares Falling as Argus Cuts to Sell
Nov 30, 2010 09:09AM Daily State of the Markets 11/30: A Defensive Stand, But...
Sep 2, 2008 02:44PM ARGUS Maintains a 'Neutral' Rating on Southwestern Energy (SWN), But May Be Takeover Target
Jul 11, 2008 01:05PM ARGUS Downgrades Chesapeake Energy (CHK) to Hold