This is the sort of thing that American Superconductor, a firm based in Westborough, Massachusetts, is working on.

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The office is in Westborough Massachusetts, a well-known center of public accounting excellence.

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The need for tighter scrutiny is evident in claims reported by the New York Times about quality control issues at Westborough, Mass.

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Traders are also doing 7% of their volume in "dark pools, " the electronic equivalent of a back alley where buyers and sellers transact anonymously, according to Tabb Group, a Westborough, Mass. market researcher.

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