Investors are liking the stock of Tacoma’s Columbia Banking System Inc. (CSBI) today as the broader markets also gained.

Trading pushed the closing price for COLB up to a 52-week high, without any apparent triggering news. As the week's trading ended, Columbia Bank was trading at 25.35 per share, up 2.59 percent from the previous close on Wednesday.

The stock is a component of the S&P 600 Small Cap Index and is typically well rated by investment advisory firms. Its 52-week low came in mid-November 2012 at 16.18 per share.

CBSI is the holding company of Columbia Bank, a state-chartered full-service commercial bank with more than 100 banking offices in Washington and Oregon. It most recently concluded the acquisition of West Coast Bank, which provided an expansion further into Oregon.