Premarket Movers | Apple Jumps 1%; Optical Stocks Fall with Corning Down over 3%; South Korean-Related ETFs Sink With KORU Down over 8%

Tiger Newspress07-02 16:24

South Korean-related ETFs sank in premarket trading. KORU down over 8%; EWY down over 2%; FLKR down over 1%.

South Korea’s KOSPI sank nearly 8%, extending Wednesday's slide of 2%, after an eye-watering second-quarter surge of 68% on soaring AI-related demand for memory chips. SK Hynix plunged 14.6% and Samsung tumbled 9%.

Optical stocks fell in premarket trading. Fabrinet, AAOI down over 4%; Coherent, Corning, POET, Marvell down over 3%.

Apple stock jumped 1% premarket. Nikkei sources say Apple plans an ambitious iPhone slate across H2 this year and H1 2027, comprising at least five new models and raising foldable-phone production above prior expectations.

Apple has asked suppliers to prepare roughly 10m foldable iPhones this year, up from earlier forecasts of about 7–8m, and has booked about 80m smartphone parts and components; sources say some new models are slated for H2 2026, including iPhone Pro, Pro Max and the first foldable iPhone.

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KORU down over 8%; EWY down over 2%; FLKR down over 1%.</p><p class=\"t-img-caption\"><img src=\"https://community-static.tradeup.com/news/943c7944863afca73bc105026697d2c9\" data-align=\"center\" tg-width=\"1065\" tg-height=\"180\"/><span></span></p><p style=\"text-align: left;\"><span>South Korea’s KOSPI sank nearly 8%, extending Wednesday&#39;s slide of 2%, after an eye-watering second-quarter surge of 68% on soaring AI-related demand for memory chips. SK Hynix plunged 14.6% and Samsung tumbled 9%.</span></p><p style=\"text-align: left;\">Optical stocks fell in premarket trading. Fabrinet, AAOI down over 4%; Coherent, Corning, POET, Marvell down over 3%.</p><p class=\"t-img-caption\"><img src=\"https://community-static.tradeup.com/news/cd0d00ec3e24693b04e0c94b125cc04a\" data-align=\"center\" tg-width=\"866\" tg-height=\"402\"/><span></span></p><p style=\"text-align: left;\">Apple stock jumped 1% premarket. 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