 Columbia Banking Systems Inc. NASDAQ: COLB and Umpqua Holdings Corp NASDAQ: UMPQ announced plans to merge in a 5 billion all-stock transaction on Tuesday, creating one of the biggest entities on the West Coast. Merged company to have 50 billion in assets The merged company will have over 50 billion in assets, with the majority ... The post Columbia Banking snaps up another Bank in a 5 billion deal appeared first on Invezz. 