NEW YORK (

TheStreet

) --

Allis-Chalmers Energy Incorporated

(NYSE:

ALY

) is trading at unusually high volume Wednesday with four million shares changing hands. It is currently at five times its average daily volume and trading down 23 cents (-3.4%) at $6.59 as of 3:51 p.m. ET.

Allis-Chalmers Energy has a market cap of $507.4 million and is part of the

basic materials

sector and

energy

industry. Shares are down 3.8% year to date as of the close of trading on Tuesday.

Allis-Chalmers Energy Inc. provides services and equipment to oil and natural gas exploration and production companies in the United States. The company operates through three segments: Oilfield Services, Drilling and Completion, and Rental Services.

TheStreet Ratings rates Allis-Chalmers Energy as hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, impressive record of earnings per share growth and compelling growth in net income. However, as a counter to these strengths, we also find weaknesses including poor profit margins and generally poor debt management. You can view the full

Allis-Chalmers Energy Ratings Report

.

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