 GRAND RAPIDS, Mich., Jan. 19, 2021 PRNewswire -- Mercantile Bank Corporation NASDAQ: MBWM Mercantile reported net income of 14.1 million, or 0.87 per diluted share, for the fourth quarter of 2020, compared with net income of 13.3 million, or 0.81 per diluted share, for the... 