KOREA
Why Is TMC Stock Up 30% Today? Fiber-Optic Rally, No Filing (Oct 2, 2026)
TMC (+29.95%) and Mercury (+29.8%) jumped on fiber-optic hopes with no company filing, only press reports; newly listed Brils is up 22.5%.
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U.S.
Mattel Up 18.8% on a Takeover Report, but Its Only Filing Is a CEO Change
On Oct. 1, Mattel rose 18.8% on a takeover-interest report, Accenture 15.78% on earnings and Synopsys 12.78% on investor-day news, with very different levels of support.
U.S.
United Therapeutics jumps 12% on a patent win it hasn't filed with the SEC
United Therapeutics (patent ruling, +12.55%), Rogers (investor-day targets, +10.73%) and FormFactor (buy rating, +9.59%) rose on Sept. 30 for different reasons of different strength.
KOREA
Tripled, then halved on day one: what really moved Brils, Winpac and LK Samyang
On Oct 1, KOSDAQ gainers split three ways: Brils on its debut, Winpac on unconfirmed SK Hynix outsourcing reports, and LK Samyang with no known reason.
KOREA
Same Rally, Different Reasons: Winpac Has Earnings, Cosmo Robotics Has a Rebuttal, Samchundang Has Nothing on File
Three KOSDAQ stocks jumped more than 15%. Checked against filings, the reasons split into earnings, a press-only rebuttal and nothing on file.