 Atlantic Capital Bancshares NASDAQ:ACBI and Randolph Bancorp NASDAQ:RNDB are both small-cap finance companies, but which is the better investment? We will compare the two businesses based on the strength of their dividends, profitability, valuation, risk, institutional ownership, earnings and analyst recommendations. Profitability This table compares Atlantic Capital Bancshares and Randolph Bancorps net margins, return on ... 