On a muggy morning in April, a venture capitalist from San Francisco arrived in China’s southern tech hub of Shenzhen with a long shopping list. His friends at U.S. robotic startups had asked him to bring back humanoids and various robotic components from China.

He headed to Shenzhen’s Huaqiangbei district, the world’s biggest electronics bazaar. At one store, he bought humanoids, which he arranged to ship back to the U.S. He then went upstairs to component floors—a labyrinth of countless stalls barely larger than walk-in closets—to pick up robot parts that control motion, manage power and carry signals. Instead of shipping those components as freight, he packed them in a suitcase and took that with him on a flight back to San Francisco.

South Korean memory maker SK Hynix said on Friday that it will start the construction of two new chip plants next year, after its board approved its plan to invest about 54 trillion won ($38 billion) in the new fabs.

The company’s announcement of the timelines for its new fabs comes as demand ...

China’s top internet regulator said on Thursday it had launched a cybersecurity review of products sold in the country by U.S. security software firm Palo Alto Networks.

The Cyberspace Administration of China said that the purpose of the review is to “ensure the secure and stable operation of ...