Technology

CXMT stock debut lifts Chinese RAM maker to $484 billion valuation

ChangXin Memory Technologies' shares jumped 466% in Shanghai as buyers hunt for memory-chip alternatives during a global RAM shortage.

James Whitfield

By James Whitfield · Staff Writer

2 min read

CXMT stock debut lifts Chinese RAM maker to $484 billion valuation
Photo: The Verge

ChangXin Memory Technologies surged in its CXMT stock debut on the Shanghai stock exchange, with shares rising 466%, according to The Wall Street Journal and CNBC. The move put the China-based memory chipmaker at a valuation of $484 billion and made it the most valuable Chinese company listed on the exchange, the reports said.

The debut lands during a tight period for the memory business, where demand from AI companies has strained supply. That pressure has pushed device makers to look for more options as they try to limit higher component costs.

Why did CXMT stock rise so much?

Investors are betting that CXMT can become a stronger rival in memory chips at a time when supply is under pressure, according to the reports. The company is trying to compete with Samsung, Micron and SK Hynix, which currently hold most of the global memory market.

RAM, or random access memory, is the short-term memory used by computers, phones and servers while they run applications. More advanced AI systems and data-heavy services can require large amounts of memory, which has added pressure to the market.

CXMT was founded in 2016 and introduced its first DDR5 RAM products last year. The South China Morning Post reported that its chips remain “roughly one generation” behind leading products from Samsung, SK Hynix and Micron.

Even so, CXMT has gained a foothold. Counterpoint Research said the company had 8% of the global RAM market as of June 2026.

Who is considering CXMT memory?

The Financial Times recently reported that Apple asked the Trump administration for permission to buy memory from CXMT, which has been blacklisted by the Pentagon. That request, if approved, would mark a notable opening for a Chinese supplier in a market dominated by South Korean and U.S. companies.

Other PC industry names have also been linked to CXMT products. Gigabyte said it is adding support for CXMT RAM in some motherboards, while reports have said Dell, HP, Lenovo and Asus are also looking at or working with CXMT memory.

Those moves reflect the pressure facing hardware makers as RAM prices rise and availability tightens. If more manufacturers qualify CXMT parts, the company could become a more visible supplier for PCs and other devices, even while its technology trails the top tier, according to the South China Morning Post.

SK Hynix also had a large U.S. stock market debut earlier this month. CXMT’s first day in Shanghai adds another sign that investors are focused on memory-chip suppliers as AI demand reshapes the sector.

This story draws on original reporting from The Verge.