ATA, American Realty Investors and Quaker Chemical among 52-week highs

ATA Inc. (Nasdaq: ATAI), American Realty Investors, Inc. (NYSE: ARL) and Quaker Chemical Corp. (NYSE: KWR) were among the new 52-week highs established during Tuesday's trading among companies with market capitalizations or values under $750 million.
Stepan Co. (NYSE: SCL), CollaGenex Pharmaceutical, Inc. (Nasdaq: CGPI) and Tompkins Financial Corp. (AMEX: TMP) were also among the 52-week highs.
Here are today's 52-week small-cap highs:
| Price at | % | ||||||
| 4:00 et | Change | Change | Volume | Year High | Year Low | ||
| ATAI | ATA INC | 12.80 | +1.46 | +12.9% | 21.5k | 11.34 | 8.30 |
| ARL | AMERICAN RLTY INVS INC | 11.87 | +0.95 | +8.7% | 47.1k | 11.16 | 7.00 |
| KWR | QUAKER CHEM CORP | 26.40 | +2.74 | +11.6% | 99.5k | 25.44 | 15.27 |
| SCL | STEPAN CO | 36.43 | +2.27 | +6.6% | 340.3k | 35.68 | 25.61 |
| CGPI | COLLAGENEX PHARMACEUTICALS I | 16.47 | +0.07 | +0.4% | 1,834.8k | 16.41 | 7.27 |
| TMP | TOMPKINS FINANCIAL CORPORATI | 47.55 | +3.55 | +8.1% | 43.5k | 47.40 | 30.60 |
| GRH | GreenHunter Energy, Inc. | 20.50 | +0.50 | +2.5% | 1.8k | 20.45 | 12.00 |









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