| Volume | 261,000 |
| Open | 0.0650 |
| Bid (Size) | 0.0600 (276,000) |
| Ask (Size) | 0.0650 (62,000) |
| Prev. Close | 0.0650 |
| Today's Range | 0.0600 - 0.0650 |
| 52wk Range | 0.0600 - 0.3800 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
(GRBM) traded between $0.06 and $0.38 over the past 52 weeks and last traded at $0.07, 82.9% below its 52-week high. Over the past week it ranged between $0.06 and $0.07.
GRBM was -38.1% over the past year, -70.5% over six months, -38.1% year to date, +8.3% in the last week.
Over the past 12 months GRBM returned -38.1% versus DIA (Dow) +11.4%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +23.0% and IWM (Russell 2000) +13.8%.
GRBM most recently traded 261,000 shares against a 3-month average daily volume of 339.5K.