Asian shares slide as Nvidia-linked stocks tumble; Baby Shark creator's KOSDAQ debut modest

By Kim Yeon-jae Posted : November 18, 2025, 11:21 Updated : November 18, 2025, 11:21
Graphics by AJP Song Ji-yoon
Graphics by AJP Song Ji-yoon

SEOUL, November 18 (AJP) - Asian markets fell broadly on Tuesday morning, dragged down by sharp losses in Nvidia-linked stocks after renewed selling by major U.S. hedge funds, while the “Baby Shark” creator’s KOSDAQ debut drew less fanfare than expected.

South Korea’s benchmark KOSPI dropped 1.55 percent to 4,025.95 as of 10:30 a.m., pressured by reports that Thiel Macro — the hedge fund founded by Palantir Technologies chairman Peter Thiel — had liquidated its entire Nvidia stake. Additional reports that several hedge funds were trimming exposure to the Magnificent 7 (M7) further weighed on sentiment.

Foreign investors, who often adjust their positioning in Korean chipmakers based on Nvidia developments, sold 13 billion won ($8.9 million) worth of local shares. Institutions offloaded a larger 178 billion won, while retail investors stepped in to buy dips with net purchases of 167 billion won.

Tech bellwethers Samsung Electronics and SK hynix both declined. Samsung eased 1 percent to 99,600 won, while SK hynix fell 4 percent to 582,000 won, marking the steepest drop among major constituents.

In contrast, shipbuilding stocks continued to climb following last week’s bilateral tariff-negotiation factsheet that boosted expectations for expanded defense cooperation. HD Hyundai Heavy Industries, a key producer of military submarines, rose 3.3 percent to 625,000 won, while Hanwha Ocean added 1 percent to 132,300 won.

The KOSDAQ fell 1.47 percent to 889.3. The Pinkfong Company — globally known for its viral hit “Baby Shark” — made its KOSDAQ debut, jumping 36.3 percent from its IPO price to 51,800 won even as most other mid- to large-cap names traded lower.

Japan’s Nikkei 225 also slumped under heavy selling pressure, falling 2.1 percent to 49,279 as of 10:30 a.m.

Nvidia-linked stocks led the declines in Tokyo as well: chip-testing equipment maker Advantest slid 2.3 percent to 19,540 yen ($125.9), while Tokyo Electron tumbled 4 percent to 31,960 yen.

Chinese markets posted comparatively mild declines but remained weighed down by persistent concerns over economic stagnation. The Shanghai Composite Index opened 0.19 percent lower at 3,965, showing no post–Singles’ Day lift, while the Shenzhen Composite slipped 0.34 percent to 13,160.

Taiwan’s TAIEX fell 0.88 percent to 27,206, and Hong Kong’s Hang Seng Index dropped 1.12 percent to 26,090.
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