Why is Wingtech Technology stock sliding today?

Wingtech Technology shares plummeted 4.2% to 11.99 CNY on Wednesday, following a Dutch chipmaker Nexperia's legal challenge. In November 3, Nexperia filed a lawsuit against Wingtech and its founder Zhang Xuezheng in a Dutch court, escalating the ongoing dispute over the semiconductor firm that Wingtech had acquired. The selling pressure intensified on November 4 when the Shanghai Stock Exchange issued an abnormal stock trading fluctuation notice.

The notice suggested the stock's recent surge of over 20% over the past three trading sessions was not backed by solid fundamentals, prompting investors to take profits. The stock's ST designation, imposed in May 2026 after auditors expressed doubts about Wingtech's 2025 financials due to its inability to access Nexperia's overseas financial data, also limited daily price movements to no more than 5%.

Consequently, today's decline was particularly significant within this constrained range. The broader Chinese market did not provide any relief, with the Shanghai Composite falling about 0.8% on the same day.