After soaring 466 per cent in its Shanghai trading debut on Monday, ChangXin Memory Technologies (CXMT) became the most valuable company on mainland China’s stock market – the first semiconductor firm to hold the top spot in the market’s 35-year history.The state-backed maker of memory chips saw its market capitalisation surpass 4 trillion yuan (US$592 billion) on Friday amid a broader chip stock surge. It first ascended to the top of the list on Monday, ending its first trading day with a value of 3.28 trillion yuan after hitting 3.68 trillion yuan amid unprecedented turnover during the day.CXMT’s top ranking ends two decades of market-cap dominance by state-owned energy conglomerates, lenders and traditional consumer brands on China’s onshore stock market.
SRCSouth China Morning Post
LANGEN
LEANCenter-Right
WORDS120
ENT10
FRI · 2026-07-31 · 03:00 GMTBRIEF NSR-2026-0731-97715
NSR-2026-0731-97715News Report·EN·Technology
Elite company: the listed firms that were China’s most valuable before CXMT
ChangXin Memory Technologies (CXMT), a state-backed memory chip maker, has become the most valuable company on mainland China's stock market. This marks the first time in the market's 35-year history that a semiconductor firm has achieved this position.
Judy XueSouth China Morning PostFiled 2026-07-31 · 03:00 GMTLean · Center-RightRead · 1 min
South China Morning PostFIG 01
Reading time
1min
Word count
120words
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0cited
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10entities
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100%
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Briefing Summary
AI-generatedNEWSAR · AI
ChangXin Memory Technologies (CXMT), a state-backed memory chip maker, has become the most valuable company on mainland China's stock market. This marks the first time in the market's 35-year history that a semiconductor firm has achieved this position. CXMT's market capitalization surpassed 4 trillion yuan (US$592 billion) on Friday, following a 466% surge in its Shanghai trading debut on Monday. The company's ascent to the top spot ends two decades of market-cap dominance by state-owned energy companies, lenders, and traditional consumer brands.
Confidence 0.85Claims 4Entities 10
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Article analysis
Model · rule-basedFraming
Technology
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Key claims
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CXMT's top ranking ends two decades of market-cap dominance by state-owned energy conglomerates, lenders, and traditional consumer brands.
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The state-backed maker of memory chips saw its market capitalisation surpass 4 trillion yuan (US$592 billion) on Friday.
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CXMT is the first semiconductor firm to hold the top spot in China's market history.
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ChangXin Memory Technologies (CXMT) became the most valuable company on mainland China’s stock market after soaring 466 per cent in its Shanghai trading debut.
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Full report
1 min read · 120 words§ 05
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8 termschangxin memory technologies
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semiconductor firm
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market capitalization
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china stock market
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memory chips
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state-backed
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trading debut
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energy conglomerates
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