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ChangXin Memory Technologies’ stock plunges, market capitalization falls below 3 trillion yuan despite forecasting over 130 billion yuan in profit for the first three quarters and launching a buyback—why did the stock drop instead?

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长鑫科技股价跳水，市值跌破 3 万亿元，前三季度预赚 1300 多亿还推出回购，为什么股价反而大跌？

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Zhihu Hot ListLast observed #9 · 2.3M heat

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Ranking history & source details

First recorded Oct 20, 2026, 1:07 PM CST · latest Oct 20, 2026, 1:07 PM CST. Ranks reflect attention on each platform.

Retained daily observations
Day	Platform	Best rank	Last rank
2026-10-20	Zhihu Hot List	#9	#9