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NEW YORK ( TheStreet) -- Columbia Banking System (Nasdaq: COLB) hit a new 52-week high Monday as it is currently trading at $23.36, above its previous 52-week high of $23.35 with 156,463 shares traded as of 3:09 p.m. ET. Average volume has been 224,100 shares over the past 30 days. Columbia Banking System has a market cap of $844.6 million and is part of the financial sector and banking industry. Shares are up 19.3% year to date as of the close of trading on Friday. Columbia Banking System, Inc. operates as the bank holding company for Columbia State Bank, which provides a range of banking products and services to small and medium-sized businesses, professionals, and individuals in the states of Washington and Oregon. The company has a P/E ratio of 19, above the average banking industry P/E ratio of 18 and above the S&P 500 P/E ratio of 17.7.