Collins Stewart Maintains a 'Buy' on Sigma Designs (SIGM); Recovery Still Back-end Loaded Aug 18, 2011 07:09AM
Collins Stewart Upgrades Sigma Designs (SIGM) from Sell to Buy; Makes a Comeback & Wins Back AT&T (T) Mar 15, 2011 07:41AM
Notable Analyst Rating Changes 11/11: SMI, TOL, SFD, MCHP Upgraded; PCLN, SNV, RHIE, ADBE, SIGM, HUM Downgraded Nov 11, 2009 10:56AM
Collins Stewart Downgrades Sigma Designs (SIGM) to Sell; Cisco & Motorola Using Competitor Nov 11, 2009 07:37AM
Unusual 11 Mid-Day Movers 8/27: SFE, IMMU, AIG, GRB Higher; WAVE, NCS, FXEN, SIGM Lower Aug 27, 2009 01:02PM


Aug 27, 2009 11:05AM Notable Analyst Rating Changes 8/27: GHL, DLTR, WHR, KNX, WAG, FWLT Upgraded; ATRO, JTX, SIGM, TREE Downgraded
Aug 27, 2009 10:06AM Morning Movers 8/27: SFE, NYFX, IMMU, CPWM, ZHNE Higher; NCS, WAVE, FXEN, GRVY, CONN, SIGM Lower
Aug 27, 2009 08:38AM Collins Stewart Downgrades Sigma Designs (SIGM) to Hold; Disappointing Qtr & Outlook
Jun 16, 2009 08:43AM Collins Stewart Maintains a 'Buy' to Sigma Designs (SIGM)
Mar 5, 2009 10:21AM Notable Analyst Rating Changes 3/5: BIDU, T, ADBE, SIGM Upgraded; CXR, RIO, GPS Downgraded
Mar 5, 2009 08:14AM Collins Stewart Upgrades Sigma Designs (SIGM) to Buy
Apr 9, 2008 11:44AM Collins Stewart Downgrades Sigma Designs (SIGM) to Hold