World leaders and business executives left the Swiss mountain resort of Davos after a week of discussions dominated from a distance by Donald Trump's return as U.S. President.

President Donald Trump has given everyone at Davos something to talk about with his actions on the first day of his second term.

President Trump doubled down on the prospect of across-the-board tariffs in a video appearance to business executives and politicians gathered in Davos, Switzerland.

Officials and business executives at the annual gathering in Switzerland said the fight against global climate change would continue with or without the United States.

Von der Leyen insisted that the United States remains an important partner, taking a conciliatory tone in a speech to the annual meeting of global elites in Davos, Switzerland. The EU's "first priority will be to engage early, discuss common interests, and be ready to negotiate" with Trump, she said.

Teresa Ribera, the European Commission's executive vice president for clean, just and competitive transition, discusses European competitiveness at the World Economic Forum in Davos.

The European Commission chief did not explicitly mention the new US president or his trade policies, but underscored the number of American jobs tied to European trade.

“Rachel Reeves is thinking the right way but she’s in a difficult position,” said a senior UK bank executive in Davos . “Labour in the UK have made a lot of good decisions but it is very hard for them and the [bond market] challenges of last week reinforce that issue.”

Europe has entered a new era of harsh geostrategic competition and will have to work together to avoid a global race to the bottom, European Commission President

At the World Economic Forum in Davos, business and government leaders react to Trump's return to office. Yahoo Finance Senior Reporter Jennifer Schonberger reports from Davos to describe JPMorgan's (JPM) optimism for a pro-business environment under President Donald Trump despite concerns over trade.

US President Donald Trump lashed out at the European Union on Thursday during his first major speech to a global audience since starting his second term in the White House, reinforcing worries in Brussels about the future of EU-US relations.