President Trump threatened that the Iranian delegation would have no country to return to if the two sides failed to reach an agreement, sparking an angry protest from Tehran's negotiating team.
US and Iranian negotiators have started discussions in Switzerland, with mediators present, following the signing of a 14-point memorandum of understanding between the two nations.
Trump commits to releasing the content of the agreement with Iran in the coming days and raises the possibility of reading the document "word for word" to the press.
Hong Kong (China) has surpassed Switzerland to become the world's largest cross-border wealth management center, according to Boston Consulting Group (BCG).