Good morning. China revised its law on state secrets on Tuesday to encompass sensitive information that didn’t previously fall under its scope, potentially adding to foreign businesses’ concerns over the risks of operating in the country.

• The significance: The changes, the first to the law since 2010, were adopted by China’s top legislative body and signed by leader Xi Jinping, the state-run Xinhua News Agency reported. The amendments are the latest sign of Beijing’s heightened vigilance around potential national-security threats, following the passage of a strict information-security law and the rewriting of a law against espionage last year to expand the scope of state control of information.
   
• Basis for the law: The latest iteration of the state-secrets law cites Xi’s “comprehensive national-security” concept, which calls for guarding against internal and external threats while ensuring the primacy of Xi and the Communist Party.
   
• The security landscape for foreign companies: As Chinese leader Xi tightens rules around national security, American companies have described deteriorating confidence in doing business in China, citing the slowing economy and a legal environment that they regard as being increasingly hostile. China has cracked down on due-diligence firms, launched raids and legal reviews of foreign companies and detained some foreign executives or in some cases blocked them from leaving mainland China.

For more China news: Leaked Hacking Documents Show China’s Focus on Tracking Ethnic Minorities

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U.S. opens UnitedHealth antitrust probe.

The Justice Department has launched an antitrust investigation into UnitedHealth, owner of the biggest U.S. health insurer, a leading manager of drug benefits and a sprawling network of doctor groups.

The investigators have in recent weeks been interviewing healthcare-industry representatives in sectors where UnitedHealth competes, including doctor groups, according to people with knowledge of the meetings.

Crackdown. The probe comes as the Biden administration’s antitrust enforcers have stepped up investigations of some of the biggest U.S. companies, such as Apple, Amazon, Live Nation Entertainment and Alphabet’s Google unit.

• OpenAI moved to dismiss a lawsuit from the New York Times Co., alleging the company had paid someone to hack OpenAI’s products to support the suit.
   
• The Public Company Accounting Oversight Board wants to prohibit audit firms from misrepresenting the status or significance of their registration with the regulator, especially in reports they have increasingly issued that verify cryptocurrency companies’ reserves.
   
• Canada on Monday proposed new rules that would compel digital platforms to remove online content that features the sexual exploitation of children or intimate images without consent of the individuals involved.
   
• Sam Bankman-Fried’s attorneys suggested a sentence of five to six years in prison, sharply lower than the roughly 100 years that he faces for stealing billions of dollars from FTX customers.

While the world was looking elsewhere, North Korea became a bigger threat.

North Korean leader Kim Jong Un has exploited a fractured global order to harden North Korea into a menacing nuclear state—a potent new complication for a world already enmeshed in wars in Europe and the Middle East.

Capacity for chaos grows. Kim is playing a longer, more strategic game with a nuclear arsenal that has quickly grown since talks broke down at the February 2019 summit with former President Donald Trump in Hanoi. That has made predicting his next steps murkier and more worrisome.

Particularly troubling, security experts say, is how sure-footed Kim looks, despite widespread food shortages, a more confrontational South Korean administration and a U.S. that is rotating nuclear assets into the region more often.

Change Healthcare attack raises cash concerns for pharmacies.

A cyberattack on prescription processor Change Healthcare last week continues to cause problems for pharmacies and clinics across the world, reports WSJ Pro Cybersecurity, as systems remain down almost one week after the hack was detected.

Insurer UnitedHealth Group, which owns Change Healthcare through its Optum unit, said it has brought in Alphabet’s Mandiant and Palo Alto Networks to assist with incident response.

• Democratic and Republican congressional leaders said they thought they would avert a government shutdown this weekend, following a White House meeting in which lawmakers also stepped up pressure on House Speaker Mike Johnson (R., La.) to allow a long-stalled vote on Ukraine aid to go forward.
   
• President Biden said Israel has agreed to halt the war in Gaza during the Islamic holy month of Ramadan if Hamas releases hostages, adding pressure to negotiators who are racing to broker a cease-fire this week.
   
• French President Emmanuel Macron is pushing the boundaries of how far Europe is willing to go in supporting Ukraine, riling some allies over the possibility—however remote—of deploying troops there.
   
• Google’s artificial-intelligence push is turning into a reputational headache.

Minnix, who will start in her new role on April 15, will oversee the pharmacy chain’s global legal, compliance, corporate governance and corporate security functions.

Minnix has worked for Ecolab, a provider of services and products used in water treatment, cleaning and infection prevention, since June 2022. Before Ecolab, she served as the chief legal officer for industrial and environmental machinery supplier Flowserve.

• Donald Trump won Michigan’s Republican presidential primary Tuesday, marking his fifth straight victory for the former president in this year’s major nominating contests and delivering the latest blow to Nikki Haley’s underdog bid. President Biden won the Michigan Democratic primary but lost votes from some who are angry over his support of Israel’s military campaign against Hamas.
   
• Macy’s new boss Tony Spring says the department-store chain needs to shrink. He wants to make sure it doesn’t become less relevant to millions of shoppers as a result.
   
• A U.S. manufacturing and mining boom launched under President Biden is just getting started. Most of it is heading to Republican-leaning communities.
   
• The blockbuster earnings report last week from chip maker Nvidia proved that companies are willing to spend big for artificial intelligence. In corporate settings, that money is often allocated directly from the top.
   
• The maker of Bud Light hoped that the Super Bowl might turn things around for the struggling brand. It barely moved the needle.

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