NEW YORK ( TheStreet) -- Altra Holdings Incorporated (Nasdaq: AIMC) is trading at unusually high volume Wednesday with 659,810 shares changing hands. It is currently at four times its average daily volume and trading up 50 cents (+2.4%) at $21.02 as of 2:51 p.m. ET.

Altra has a market cap of $578.8 million and is part of the industrial goods sector and industrial industry. Shares are up 3.3% year to date as of the close of trading on Tuesday.

Altra Holdings, Inc., together with its subsidiary, Altra Industrial Motion, Inc., designs, produces, and markets a range of mechanical power transmission and motion control products primarily in North America, Europe, and Asia. The company has a P/E ratio of 34.9, above the average industrial industry P/E ratio of 34.3 and above the S&P 500 P/E ratio of 21.9.

TheStreet Ratings rates Altra as a hold. The company's strengths can be seen in multiple areas, such as its compelling growth in net income, revenue growth and impressive record of earnings per share growth. However, as a counter to these strengths, we also find weaknesses including weak operating cash flow, generally poor debt management and poor profit margins. You can view the full Altra Ratings Report.

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