A123 Systems (AONE -14.3%) resumes its three-day 30% swoon since announcing it would replace battery packs due to a manufacturing defect. Deutsche Bank cuts shares to Hold, saying the estimated $55M cost "represents a severe impact" to a company with just $187M in balance sheet cash at year-end 2011 and that had projected free cash burn of at least $155M in FY2012.
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