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Micron Drops After China Claims Its Chips Pose Security Risk

Micron Drops After China Claims Its Chips Pose Security Risk

(Bloomberg) -- Micron Technology Inc.’s stock declined after China’s cyberspace regulator said that its products failed to pass a cybersecurity review, a move that jeopardized the company’s sales in a crucial market.

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Beijing warned operators of key infrastructure against buying the company’s goods, saying it found “relatively serious” cybersecurity risks in Micron products sold in the country. The components caused “significant security risks to our critical information infrastructure supply chain,” which would affect national security, according to the statement from the Cyberspace Administration of China, or CAC.

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Micron’s shares fell as much as 5% to $64.76, the biggest drop in more than seven weeks. They regained some ground later in the session, closing down 2.8% at $66.23 in New York. They’re up about 33% so far this year.

A senior Biden administration official said the US was communicating directly with Chinese authorities and trying to get a better understanding of what, exactly, the decision entails.

The official, who was granted anonymity to discuss a sensitive diplomatic matter, called the action a retaliation for the stance taken by Group of Seven leaders at their summit in Japan last week to reduce dependence on Beijing for critical supply chains,” while also announcing a fresh initiative to counter Chinese “economic coercion.”

The CAC had said about six weeks ago that it was launching a security review of imports from Micron, the US’s last major memory chipmaker. Micron has said previously that it stands by the security of its products and commitments to customers.

“We have received the CAC’s notice of conclusion of its review of Micron products sold in China,” said Micron Chief Executive Officer Sanjay Mehrotra, speaking at a news conference Monday at Micron’s factory in Hiroshima, Japan. “We are evaluating the conclusion and assessing our next steps. We look forward to continuing to engage in discussions with Chinese authorities.”

The technology sector has become a key battlefield over national security between the two largest economies, with Washington having already blacklisted Chinese tech firms, cut off the flow of sophisticated processors and banned its citizens from providing certain help to the Chinese chip industry. In a statement, the US Commerce Department said Beijing’s conclusion had “no basis in fact,” and Washington will continue to try and limit industry disruptions with its allies.

Micron “remains unclear as to what security concerns exist” with its products and has had no complaints from customers, Chief Financial Officer Mark Murphy said at a JPMorgan Chase & Co. conference in Boston Monday. About a quarter of total revenue, in the form of direct and indirect sales through distributors, goes to China-headquartered companies, he said. Micron is trying to work out what portion would be affected by the ban.

Holden Triplett, founder of Trenchcoat Advisors and a former FBI counterintelligence official in Beijing, described the move as “retaliation for the US’s export controls on semiconductors.”

“No foreign business operating in China should be deceived by this subterfuge,” he said. “These are political actions pure and simple, and any business could be the next one to be made an example of.”

A Chinese government spokesperson disputed the idea that the decision was political.

“It is a necessary step for safeguarding national security,” Mao Ning of the Ministry of Foreign Affairs said Monday. “That relevant review is for preventing cybersecurity problems and the harms it poses to national key infrastructure and security.

Read More: China’s Micron Probe Is Latest Offensive in Chip War With US

The move brings fresh uncertainty to the other US chipmakers that sell to China, the world’s biggest market for semiconductors. Companies like Qualcomm Inc., Broadcom Inc. and Intel Corp. deliver billions of chips to the country, which puts the components inside electronic products that are shipped all over the world.

President Joe Biden voiced optimism about the China relationship on Sunday at the end of the G-7 summit in Hiroshima. He said he expected ties between the two countries will start to “thaw very shortly.”

The Chinese cyber agency said in its statement Sunday that — while the country welcomes products and services provided by companies of all countries as long as they comply with its laws and regulations — the investigation into Micron products are a “necessary measure” to safeguard national security. It didn’t detail what the security risks were or identify specific Micron products that are now barred.

Jefferies analyst Edison Lee said that the CAC’s decision would likely have a small impact on Micron because it focuses on “critical information infrastructure,” meaning operations like data centers and cloud computing services with security risks. Most of Micron’s memory chips sold in China are actually used in consumer electronics, like smartphones and notebooks, he and his colleagues said in a report.

“We believe this ban is narrowly focused as it applies to only CII operators,” they wrote. “Therefore, the ultimate impact on Micron will be quite limited.”

Read More: Why Making Computer Chips Has Become a New Arms Race

Micron derived nearly 11% of its revenue from mainland China in its last fiscal year. Sanford C. Bernstein said the worst hit to revenue would reach that level, but a “more realistic impact will be low-single digit percentage and only in the near term.”

--With assistance from Lucille Liu and Jenny Leonard.

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