
| Volume | 75,000 |
| Open | 0.0550 |
| Bid (Size) | 0.0500 (102,000) |
| Ask (Size) | 0.0550 (8,000) |
| Prev. Close | 0.0600 |
| Today's Range | 0.0550 - 0.0600 |
| 52wk Range | 0.0550 - 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 $0.06, 85.5% below its 52-week high. Over the past week it ranged between $0.06 and $0.06.
GRBM was -56.0% over the past year, -76.1% over six months, -47.6% year to date.
Over the past 12 months GRBM returned -56.0% versus DIA (Dow) +12.5%, SPY (S&P 500) +15.2%, QQQ (Nasdaq 100) +18.6% and IWM (Russell 2000) +11.9%.
GRBM most recently traded 75,000 shares against a 3-month average daily volume of 341.3K.