WATCH: Investors need to be prepared for the inevitable moment Donald Trump says or does something that has a serious market impact.

It is a signal that the TPP nations are not going to​ stand by and let Trump waste eight years of hard negotiations.

Fonterra CEO Theo Spierings says a resurgence of nationalism and increased protectionism threaten global trade.

Leading fashion brands David Lawrence and Marcs have been placed in voluntary administration.

COMMENT: Prospect of tit-for-tat trade or currency wars a grave threat to all countries, writes David Wang.

The two teacher unions, School Trustees Association and even the conservative Maxim Institute all backed the policy.

COMMENT: Trump's escalating threats against Mexico have led to calls for a guerrilla struggle of national resistance from across the political spectrum.

NZ's monthly trade deficit was little changed in December from the year-earlier month as imports and exports both slid by about the same amount.

America's withdrawal from the TPP has come as a huge blow to many countries, but now China may be able to use it to its own advantage.

The NZ dollar was little changed as holidays in China, South Korea and Taiwan kept markets quiet and traders awaited US growth figures.

New Zealand shares rose led by Vista Group International and NZX after an unsettled week.

Data published by the Office for National Statistics showed the UK economy grew by 0.6 per cent in the final three months of 2016.

US President Donald Trump wants a new 20 per cent tax on all imports from Mexico to pay for a wall on the southern US border.

Wall Street was mixed, even as the Dow hit a fresh record high.

UK Prime Minister Theresa May is set to meet Donald Trump for the first time today as she sets out to forge the future of the special relationship.

COMMENT: Is the end of the Trans-Pacific Partnership the death of open economies or just a setback, Brian Fallow writes.

Wall Street rose, pushing the Dow Jones Industrial Average above 20,000 for the first time.

Trade Minister Todd McClay is starting to look at options for TPP but opponents say it is time for a major shift in thinking.

President Trump handed China its clearest opening yet to tilt the geopolitical balance in Asia in its favour.

Should Waitomo businesses be allowed to open on Easter Sunday? It's a question currently being considered by the council. Made with funding from NZ On Air.

New Zealand will join Japan, Australia and Singapore in exploring the survival of the TPP without the United States.

NZ officials would "get on the plane ASAP" if approached by the US about trade talks, says expert.

The trade deal has been scrapped by President Donald Trump.

Stocks fell on both sides of the Atlantic as Trump formally ordered the US to withdraw from the TPP.

President Trump promised to wipe out at least 75 per cent of government regulations that hinder their businesses.

Small trading nations have to look beyond Washington now for leaders who want the world to prosper.

Prime Minister Bill English says some form of free trade agreement could still go ahead despite President Donald Trump scuttling the TPP.

Donald Trump is planning a new deal for Britain this week as Theresa May becomes the first foreign leader to meet him since the inauguration.

Andrew Little says the US plays a vital role in world peace and world order and Trumps tweets are leading to uncertainty.

Now the world's most famous Tweeter is finally in office, what will it mean for your back pocket?