US stock futures choppy after China retaliates with tariffs; bank earnings awaited

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Futures up: Dow 0.2%, S&P 500 0.35%, Nasdaq 0.44%
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Big banks including JPMorgan to report earnings later in the day
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Beijing increases tariffs on US imports to 125%
By Shashwat Chauhan and Purvi Agarwal
April 11 - U.S.
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