 BioHiTech Global NASDAQ:BHTG and American Public Education NASDAQ:APEI are both small-cap business services companies, but which is the superior investment? We will compare the two companies based on the strength of their dividends, valuation, earnings, institutional ownership, analyst recommendations, risk and profitability. Volatility and Risk BioHiTech Global has a beta of 2.25, indicating that its ... 