Steve Lohr

SK Hynix, a leading memory chipmaker, reported stratospheric sales and profits on Wednesday. But it was not enough to calm skittish investors.

The meteoric rise on its first day of trading catapulted CXMT, China’s leading memory chip maker, to being the most valuable company on the Shanghai stock exchange.

China is seeking global influence and good will with its open, low-cost artificial intelligence software.

Xi Jinping said that the development of artificial intelligence systems should be a “symphony of global collaboration.”

The pledge from the Taiwanese chip-making giant brought the total commitment to its fast-growing operations in Arizona to $265 billion.

Anthropic, the artificial intelligence company, plans to lease a 16-story building in Hudson Square and to double its work force in New York City to 1,000 people this year.

OpenEvidence, a fast-growing start-up, is using artificial intelligence to help doctors find answers to clinical questions for diagnosis and treatment.

The rocket company’s new semiconductor factory, called Terafab, is part of the billionaire’s increasing efforts to dominate artificial intelligence.

Installed as an outsider, he engineered a comeback, shifting the company’s focus from a waning mainframe computer business toward consulting and services.

The technology supplier said it was shifting its focus to higher-growth businesses, including A.I. consulting and software.