Columbia Banking System's COLB short percent of float has risen 13.0% since its last report. The company recently reported that it has 8.46 million shares sold short, which is 4.52% of all regular ...

Columbia Banking System, Inc. ("Columbia" Nasdaq: COLB), parent company of Umpqua Bank, today announced its Board of ...

(All amounts expressed in U.S. dollars unless otherwise noted) ...