August 18, 2026 (InvestinChina.asia) – The A-share market crossed an invisible threshold on August 17. ChangXin Technology (688825.SH), China’s leading domestic DRAM manufacturer, closed at 61.80 yuan, up 12%, with a market capitalization surpassing 4 trillion yuan—making it the first A-share company ever to reach that threshold and overtaking Kweichow Moutai to become the most valuable listed company in China, ahead even of Hong Kong-listed Tencent Holdings.
ChangXin’s value now equals roughly 2.5 Moutai’s. The former “king of stocks” closed at 1,293.09 yuan, down 3.64%, its market cap retreating to 1.62 trillion yuan and shedding more than 61 billion yuan in a single day. The divergence is no coincidence—it marks a deep restructuring of the A-share valuation system, where pricing logic is tilting decisively toward uncovering value in high-growth, scarce assets.
The End of the “Growth Premium” for Consumer Blue Chips
As a core weight in the SSE 50 Index, Kweichow Moutai’s shareholder register is dominated by insurance capital, social security funds and mutual-fund bottom positions, with low turnover rates and a core focus on stable cash flow and dividend returns. The market no longer assigns it a “growth premium.”
ChangXin tells the opposite story. Since listing on the STAR Market on July 27—when it surged over 465% on debut day with turnover above 140 billion yuan, a board record—the stock has climbed steadily to its 61.80-yuan high. On August 10, the company was formally included in the MSCI China All Shares Index, which spans A-shares, H-shares and U.S.-listed ADRs, positioning it to attract significantly heavier international passive-fund allocation.
Earnings Reversal Anchors the Re-Rating
The revaluation rests on hard numbers. After sustained losses from 2022 to 2024 amid massive capital investment in technological upgrades and capacity expansion, ChangXin turned profitable for the first time in 2025 and has since seen explosive growth. For the first half of 2026, the company expects net profit attributable to shareholders of 50 billion to 57 billion yuan—a dramatic reversal that contrasts sharply with Moutai’s first-half net profit of 44.5 billion yuan, which missed market growth expectations.
The catalyst is the memory super-cycle. Driven by surging AI compute demand, global DRAM supply has tightened materially, pushing prices sharply higher since the second half of 2025. As a semiconductor industry insider put it, AI compute power is bringing to the sector not merely a cyclical recovery, but incremental demand far exceeding traditional markets.
A New Definition of “Quality Assets”
What ChangXin’s 4-trillion-yuan market cap ultimately reflects is the market’s intense expectation for China’s semiconductor industry breakthrough—and a recalibration of what counts as a premium asset in the A-share universe. Where investors once paid top dollar for stable cash flows and brand moats, they are now pricing future growth headroom and national strategic value.
The shift carries risks. ChangXin’s valuation embeds multiple uncertainties—cyclical reversal, technology iteration and intensifying competition among them. Yet the direction of travel is clear: hard technology, high-end manufacturing and independent innovation tracks are poised to become the core mainline of A-share valuation, displacing the consumer-blue-chip dominance that defined the previous decade. ChangXin’s 4-trillion-yuan milestone is less a peak than a marker—the moment the market formally acknowledged that the center of gravity in Chinese equities had moved.
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