The comments from Crown Prince Mohammed bin Salman came after President Donald Trump mused about returning to the kingdom as his first foreign trip.

Saudi Arabia ... needs an oil price of $80 per barrel more than ever,' SEB Chief Commodities Analyst Bjarne Schieldrop said.

President Donald Trump said on Saturday that his first foreign trip might be to Saudi Arabia, even though traditionally, U.S. presidents visit the United Kingdom after taking office. After a rally in Las Vegas,

"Before the end of my first full business day in Washington and the White House, we have already secured nearly $3 trillion of new investments in the United States and probably that's going to be six or seven by the end of the week," Trump said while announcing Stargate on Tuesday, though he did not elaborate on the sources of the investments.

Saudi Arabia plans to invest $600 billion in the United States over the next four years. A state-run agency revealed the announcement from Crown Prince Mohammed bin Salman after his phone call with President Donald Trump, according to the AFP.

Saudi Arabia's Crown Prince announced Thursday that the kingdom is set to invest $600 billion in the United States over the next four years.

The president's remarks follow an announcement by Saudi Arabia's Crown Prince that the kingdom will invest $600 billion in the US.

During a speech to the World Economic Forum on Thursday, President Donald Trump pressured the Saudi Crown Prince to increase his planned $600 billion investment in the U.S. "to a round $1 trillion" and to lower the global price of oil.

US President Donald Trump's push for $1 trillion of investments from Saudi Arabia is "completely unrealistic," according to Karen Young, a senior research scholar at Columbia University. But, the kingdom might make promises of defense purchases and service contracts over a long period,

The US President is also said to have spoken of his 'respect and affection for the Royal Family '. Mr Trump and his British counterpart Sir Keir Starmer agreed to meet 'soon'.

Major global players are devising their strategies in response to the protectionism policies promised by the Trump presidency