Jul 17, 2012 10:59AM Notable Analyst Rating Changes 07/17: (DIS) (ARO) CLR) Upgraded; (ACI) (NOK) (DE) Downgraded

Apr 30, 2012 07:18AM Jefferies Upgrades Calpine Corporation (CPN) to Buy

Feb 13, 2012 07:58AM Jefferies Raises Price Target On Calpine (CPN) to $16.50 Following Q4 Results

Nov 30, 2011 07:00AM Jefferies Downgrades Calpine Corporation (CPN) to 'Hold' Based on Reduction in Estimates

May 2, 2011 10:42AM Jefferies Maintains a 'Buy' on Calpine (CPN); 1Q11 EBITDA of $303M; Lower Estimates

Apr 20, 2011 10:11AM Jefferies Ups Price Target on Calpine (CPN) to $18.75

Mar 23, 2011 08:18AM Jefferies Raises Price Target on Calpine Corporation (CPN), Positioned To Benefit From Higher Prices

Feb 22, 2011 10:20AM Jefferies Raises Price Target on Calpine Corporation (CPN), Maintains Buy Rating

Mar 5, 2010 07:44AM Jefferies & Co Adjusts Ratings on Several Electric Utilities Stocks

Feb 23, 2010 10:08AM Notable Analyst Rating Changes 02/23: CPN, AVAV, SNI, XNPT Upgraded; PALM, BRCD, GLW, AUO, PEGA Downgraded

Jan 4, 2010 08:58AM Jefferies Upgrades Utility Stocks CPN & DYN; Downgrades CEG

Jun 25, 2009 08:25AM Jefferies & Co Downgrades Calpine (CPN) to Underperform

Apr 24, 2009 10:00AM Morning Movers 4/24: DDR, SUMT, F, CHRT, ZGEN Higher; UCBH, IBKR, BLUD, IBCP, COLM Lower

May 22, 2008 09:30AM Pre-Open Movers 5/22: Evergreen Solar (ESLR) Surges On $1B Contracts; Blue Coat (BCSI) On Earnings Miss

Apr 29, 2008 08:57AM Jefferies Downgrades Calpine Corp. (CPN) to Hold

Apr 29, 2008 07:45AM Jefferies & Co Downgrades Calpine (CPN) to Hold

Mar 27, 2008 10:09AM Notable Analyst Rating Changes 3/27: VLO, ABX, HAL Upgraded; MOT, STX, QLGC Downgraded

Mar 27, 2008 07:40AM Jefferies & Co Initiates Coverage on Calpine (CPN) with a Buy