Turmoil continues as investors dump stocks in favour of low-risk assets.
The latest exports data from both countries surpasses expectations, bolstering optimism about economic recovery.
Wall Street slid for a third day amid comments from Cleveland Fed president Sandra Pianalto that the US jobs market had shown "meaningful improvement".
The latest data on the US trade deficit reflects the gathering strength of the world's largest economy.
A senior US Federal Reserve official says the central bank should start tapering its bond-buying programme next month.
The US unemployment rate falls to 7.4% from 7.6%, the lowest since December 2008.
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