Japan's trading house chiefs warn of uncertainty after US midterms

But some see business opportunity in the country even under divided government Reactions among Japanese trading houses are mixed regarding the impact on their businesses of the Democratic Party's victory in the U.S. midterm elections. © Reuters TOKYO -- Japan's largest trading houses are bracing for a new bout of volatility in global energy, currencies and investment in the U.S. after the Democratic Party won control of both houses of Congress.