 MADISON, Wis.--BUSINESS WIRE--First Business Financial Services, Inc. First Business Nasdaq: FBIZ announced its board of directors has declared a quarterly cash dividend on its common stock of 0.18 per share which is equivalent to a dividend yield of 3.9 based on Thursdays market close price of 18.60. The quarterly dividend represents a 9 increase over the quarterly dividend declared in October 2020, and, based on fourth quarter 2020 earnings per share, a dividend payout ratio of 2 