A supercomputer in Shenzhen was declared the world’s fastest. It uses only standard microprocessors and not the special-purpose chips called graphics processing units.

The move targets two U.S. manufacturers at the center of the Trump administration’s effort to rebuild the domestic supply chain for critical magnets.

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The preliminary U.S.-Iran deal temporarily waives restrictions that have limited the country’s oil sales and how much money it has been able to make from those exports.

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The pace of the recovery will depend on how confident companies are that the deal between the United States and Iran will hold and be extended.

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The Netherlands blocked a U.S. company from buying a Dutch firm that handles its national ID system, saying it would create a “threat to the public interest.”

The Iran war is pushing countries to prioritize domestic energy in order to protect themselves from volatile oil and natural gas markets.

The 27-nation European Union outlined how it hopes to expand the region’s data centers, semiconductors and cloud computing capabilities.

Some analysts said the main international oil price, which was up 6 percent on Monday, could climb much higher in the coming weeks if the Strait of Hormuz doesn’t reopen.

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Clinical trials in China are getting attention at an international oncology gathering in Chicago. China’s surging biotechnology industry is fueling alarm that U.S. dominance in the field is waning.

The billionaire’s new roots in Argentina are said to be partly motivated by concerns about the future of the United States and shared beliefs with Argentina’s right-wing leader.

The U.S. oil giant is negotiating a deal to pump oil in Venezuela, ending a standoff with its socialist rulers and marking a victory for President Trump.

© Adriana Loureiro Fernandez for The New York Times