The Gross Margin of Amg Bioenergy Resources Holdings Ltd (ABG.H.V) is -58.92%.
Gross Margin represents the percentage of revenue that exceeds the cost of goods sold. It reflects a company's efficiency in producing and selling its products.
| Date | Value |
|---|---|
| 2014-05-31 | -58.92% |
| 2014-02-28 | 3.65% |