| Volume | 21,000 |
| Open | 0.0500 |
| Bid (Size) | 0.0450 (207,000) |
| Ask (Size) | 0.0550 (27,000) |
| Prev. Close | 0.0550 |
| Today's Range | 0.0500 - 0.0500 |
| 52wk Range | 0.0450 - 0.3800 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
(GRBM) traded between $0.04 and $0.38 over the past 52 weeks and last traded at $0.05, 86.8% below its 52-week high. Over the past week it ranged between $0.04 and $0.06.
GRBM was -64.3% over the past year, -74.4% over six months, -52.4% year to date, +11.1% in the last week.
Over the past 12 months GRBM returned -64.3% versus DIA (Dow) +8.7%, SPY (S&P 500) +10.8%, QQQ (Nasdaq 100) +9.8% and IWM (Russell 2000) +13.4%.
GRBM most recently traded 21,000 shares against a 3-month average daily volume of 304.9K.