Declassified

Congress Is Wary of Chinese Deal for Chicago Stock Exchange

Lawmakers want to know whether there's a national security risk or a risk to the traded companies.

Chinese money for a U.S. exchange, U.S. tech for Chinese exchanges....

Photographer: Qilai Shen/Bloomberg

Dozens of members of Congress plan to ask the Obama administration to review the planned acquisition of the Chicago Stock Exchange by a Chinese firm, to assess whether it poses a national security risk or a risk to the companies traded on the exchange.

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