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OBERWEIS ASSET MANAGEMENT INC
> CFSG
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2010 | CHINA FIRE & SECURITY GROUP, INC. | CFSG | 24,300 | -18,200 | 223,000 | -328,000 | $9.18 |
| 03/31/2010 | CHINA FIRE & SECURITY GROUP, INC. | CFSG | 42,500 | -43,000 | 551,000 | -1,091,000 | $12.96 |
| 09/30/2009 | CHINA FIRE & SECURITY GROUP, INC. | CFSG | 85,500 | -95,800 | 1,642,000 | -564,000 | $19.20 |
| 06/30/2009 | CHINA FIRE & SECURITY GROUP, INC. | CFSG | 181,300 | 181,300 | 2,206,000 | 2,206,000 | $12.17 |
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