The International Monetary Fund is slashing its global growth forecasts due to impact of Donald Trump's tariffs, and expects the US to be hit particularly hard. 

US markets have been rallying, with the White House confirming it has 18 trade deal proposals on paper, is talking with 34 countries this week, and has a China deal in the works. 

But China's warning it will hit back at countries that make deals that go against its interests. 

Export NZ Executive Director Josh Tan told Mike Hosking it's still unclear how New Zealand and its exporters will be affected. 

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