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PCB Stocks Rebound as Unimicron Shows Resilience Amid Origin Controversy
Electronic Technology · Electronic Components · economic_daily · 2026-09-01
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Unimicron's stock showed resilience despite origin labeling controversies, sparking a sector-wide rally in PCB and substrate stocks like Kinsus and Zhen Ding.
What Happened
Market Capital Inflow: Unimicron experienced significant volatility following origin labeling controversies but showed resilience with trading volume exceeding 70,000 shares. This stability triggered a rebound across the PCB and substrate sector, with stocks like Kinsus and Zhen Ding-KY posting strong gains, while Dingying hit the daily limit.
Speculation on Order Shifts: Market participants are speculating that Unimicron’s recent issues could lead to supply chain reallocations, potentially benefiting peers like Zhen Ding-KY and Gold Circuit Electronics. However, there is currently no concrete evidence of significant order shifts, and any potential business gains remain speculative pending client audits.
Operational Clarification: Unimicron has issued multiple statements emphasizing that its core operations remain unaffected by the controversy. The company clarified that the issue pertains to the labeling of specific PCB products rather than its core ABF substrate business, aiming to reassure investors regarding its financial health.
Ongoing Legal Investigation: The Taoyuan District Prosecutors Office has conducted searches at Unimicron’s headquarters and plants, with several individuals questioned. As the investigation continues, the scope of the legal implications remains uncertain, and stakeholders are advised to monitor further developments closely.