| Price | 8.77 |
| Price Change Today | +$0.21 (+2.45%) |
| P&P rating | ![]() |
| Zacks Rank | N/A - N/A |
| Open Price | $8.59 |
| Previous Close | $8.56 |
| Daily Range | $8.52 - $8.77 |
| 52-Week Range | $3.89 - $8.91 |
| Volume | 71,664 |
| TGC Industries, Inc. is engaged in the domestic geophysical services business principally through conducting seismic surveys and to a lesser extent through sales of gravity information from the company's data bank to companies engaged in the exploration for oil and gas in the United States. Geophysics is the study of the structure and composition of the earth's interior and involves the measuring and interpretation of the earth's properties with appropriate instruments. | |





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