The ceremony in the US Capitol underscored the president’s deepening ties to titans of industry and the shifting stances of those who previously scorned him.

Mr Trump is more transactional than presidents before him, which increases the risk of cronyism and self-dealing. But America’s economy, including its technology industry, is too unwieldy and dynamic to petrify into an actual oligarchy, whatever diplomats and departing presidents say. ■

Bernard Arnault is outpacing Elon Musk and Mark Zuckerberg in wealth gain this year after signs of a rebound in luxury demand boosted LVMH stock.

From owning alcohol brands, to sports agencies to a stake in Uber, Jay Z has amassed a fortune worth $2.5 billion double that of his closest musical competition Taylor Swift.

Rapper Jay-Z has been the world's richest musician for the past eight years, with a net worth of $2.5 billion, according to Forbes - twice as much as Taylor Swift.

A custom hat that was almost lost and a lingerie-inspired “shirt” that may still be at large: every inaugural fashion moment that nearly stole the show.

President Donald Trump and the heads of Japan's Softbank, Oracle Corporation, and OpenAI announced the Stargate project at the White House. These giants will invest up to $500 billion to build data centres and infrastructure necessary for the development of artificial intelligence.

When Donald Trump was sworn in on Monday, he was flanked by billionaires Elon Musk, Jeff Bezos and Mark Zuckerberg.Also on the dais was Apple CEO Tim Cook, Open AI's CEO Sam Altman, and Bernard Arnault owner of L-V-M-H which owns luxury brands like Dior and Louis Vuitton.

The United States leads with a record 813 billionaires, followed by China with 473 and India securing the third spot with 200 billionaires.

Donald Trump signs a slew of executive orders on the first day in office after being sworn in as the 47th president of the United States.View on euronews

A who’s who of the world’s wealthiest people surrounded President Donald Trump as he took the oath of office — gathering a combined net worth exceeding $US1.3 trillion ($2.1 trillion) for the occasion.