(AP) — TACOMA, Wash. (AP) — Columbia Banking System Inc. (COLB) on Wednesday reported first-quarter earnings of $86.6 million. The Tacoma, Washington-based bank said it had earnings of 41 ...

Columbia Banking (COLB) shares soared 6.9% in the last trading session to close at $22.21. The move was backed by solid volume with far more shares changing hands than in a normal session.