NEW YORK (

TheStreet

)

-- A123 Systems

(Nasdaq:

AONE

) has been downgraded by TheStreet Ratings from hold to sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, deteriorating net income, disappointing return on equity, weak operating cash flow and generally disappointing historical performance in the stock itself.

A123 Systems, Inc., together with its subsidiaries, engages in the design, development, manufacture, and sale of rechargeable lithium-ion batteries and battery systems primarily in the United States. The company has a P/E ratio of 3.9, equal to the average industrial industry P/E ratio and below the S&P 500 P/E ratio of 23.2. A123 Systems has a market cap of $1 billion and is part of the

industrial goods

sector and

industrial

industry. Shares are down 4.4% year to date as of the close of trading on Tuesday.

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A123 Systems Ratings Report

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