NEW YORK ( TheStreet) -- Shares of Altra Holdings Incorporated (Nasdaq: AIMC) were gapping down Monday morning with an open price 15.2% lower than Friday's closing price. The stock closed at $18.34 Friday and opened today's trading at $15.55.

The average volume for Altra has been 178,500 shares per day over the past 30 days. Altra has a market cap of $530 million and is part of the industrial goods sector and industrial industry. Shares are down 7.7% year to date as of the close of trading on Friday.

Altra Holdings, Inc., through its subsidiary, Altra Industrial Motion, Inc., designs, produces, and markets a range of mechanical power transmission and motion control products worldwide. The company has a P/E ratio of 17.9, above the average industrial industry P/E ratio of 17.8 and above the S&P 500 P/E ratio of 17.7.

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

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