Wunderlich Securities Upgrades Columbia Banking System (COLB) to Buy Apr 23, 2013 07:14AM
Wunderlich Securities Downgrades Columbia Banking System (COLB) to Hold Jan 30, 2012 07:36AM
Notable Analyst Rating Changes 08/27: SPWRA, GOK, TSO, MW Upgraded; VSAT, FBR Downgraded Aug 27, 2010 10:37AM
Wunderlich Securities Initiates Coverage on Columbia Banking System (COLB) with a Buy Aug 27, 2010 08:10AM