On June 3, UMC fell 6.23% in regular trading, trading at $20.96/share, with trading volume of $31.09 million, extending its multi-day adjustment pattern.
The decline is primarily attributed to elevated valuation concerns. UMC's trailing twelve-month price-to-earnings ratio has been pushed to 36.7x, far exceeding its five-year median of 11.8x. After accumulating significant year-to-date gains, the stock faces sustained valuation reversion pressure. The broader semiconductor sector also weighed on sentiment, with NVIDIA down 0.76% during the session.
Despite strong fundamental catalysts — including Q1 net profit surging 108% year-over-year to NT$16.17 billion, gross margin improving to 29.2%, and management announcing selective price increases of approximately 10% for the second half with broader pricing negotiations planned for 2027 — the market appears focused on digesting the rapid prior appreciation. The stock had risen sharply following the May 27 shareholder meeting where CFO Liu Qidong outlined the phased repricing strategy driven by higher costs at the Singapore fab expansion.
(The above content is based on publicly available market information, generated by a program or algorithm, and is intended solely as a stock movement alert. It does not constitute investment advice or a basis for trading decisions.)
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