http://www.investopedia.com... gross margins Gross margin Definition of 'Gross Margin' gross margins gross margins gross margin gross margin Definition of 'Gross Margin' Investopedia: margen bruto Investopedia: Gross Margin Definition gross margin Definition of 'Gross Margin' gross margins Gross margin investopedia http://www.investopedia.com/terms/g/grossmargin.asp investopedia gross margin