New AI models, advanced robots and specialty computer chips are unsettling markets and the US tech industry

Over the past month, a series of advancements in China’s artificial intelligence, chip manufacturing and robotics technologies have rattled financial markets, caused divisions among US tech moguls and left the Trump administration scrambling to respond.

Silicon Valley has long pointed to China’s tech industry as a competitive threat and used its growth as rationale for why US firms should not face regulatory oversight that could slow them down. In recent weeks, however, China’s progress has pushed US tech CEOs past vague warnings and into open disagreement over how to address Chinese-made products upending their industry.

Donald Trump approves agreement to help country make fuel for civilian nuclear programme

Donald Trump signed a nuclear agreement with Saudi Arabia on Wednesday that could enable the kingdom to enrich its own uranium for nuclear reactions.

The US energy secretary, Chris Wright, and his Saudi counterpart, Prince Abdulaziz bin Salman, signed “a peaceful nuclear cooperation agreement” and “an accompanying bilateral safeguards agreement,” according to a statement from the US Department of Energy.

Diplomats say de-escalation talks continue as Trump vows retaliation over US soldier deaths

• Middle East crisis live – latest updates

The US military said it has launched its 10th consecutive round of strikes on Iran to force the reopening of the strait of Hormuz.

Earlier on Monday, Iran’s president said the country is in a “full-scale war” after the US expanded its aerial campaign and Tehran struck Washington’s Gulf allies, even as diplomats said talks to de-escalate were continuing.