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Samsung and SK Hynix Surge After OpenAI Chip Partnership Boosts AI Optimism

Shares of Samsung Electronics and SK Hynix soared on Thursday after OpenAI announced a major partnership with the two South Korean chipmakers to support its massive Stargate artificial intelligence data centre project in the United States.

Samsung Electronics jumped 4.7%, reaching its highest level in more than four years, while SK Hynix surged 12% to an all-time high, adding a combined $37 billion in market capitalization.
The rally also lifted South Korea’s benchmark KOSPI index by more than 3%, marking a new record.

MARKET REACTION AND ANALYST INSIGHT

Analysts said the partnership could dispel earlier market fears about potential declines in high-bandwidth memory (HBM) chip prices amid rising competition.

“Such worries will be easily resolved by this strategic partnership,” wrote Jeff Kim, analyst at KB Securities, predicting a sharp rise in chip demand driven by the Stargate project.
Kim added that, since Stargate is a key U.S. government-backed initiative led by President Donald Trump, the collaboration could also positively influence trade negotiations between Washington and Seoul.

DETAILS OF THE PARTNERSHIP

The deal — part of the $500 billion Stargate project aimed at building next-generation AI infrastructure — will see OpenAI, Samsung, and SK Hynix jointly work on semiconductor procurement and the construction of two data centres in South Korea, referred to as a “Korean-style Stargate.”
Each data centre will start with a 20-megawatt capacity, and Seoul hopes the project will help position South Korea as an Asian AI hub, given that the country already ranks second globally in the number of paying ChatGPT subscribers after the United States.

WIDER IMPACT ON SAMSUNG AFFILIATES

Other Samsung affiliates also gained sharply on the news:

  • Samsung SDI rose on expectations of increased demand for advanced power systems.

  • Samsung C&T and Samsung SDS advanced after confirming new roles in AI data centre construction and infrastructure partnerships with OpenAI.

STRONGER EXPORT OUTLOOK

The AI-driven semiconductor boom has been a key factor in South Korea’s economic rebound, with exports rising in September at their fastest pace in 14 months, defying concerns about the impact of U.S. tariffs.
Seoul hopes to finalize a trade agreement with the United States by late October, following a preliminary deal reached in July that would lower tariffs on South Korean imports in exchange for a $350 billion U.S. investment package.

However, officials have said talks have stalled over concerns about foreign exchange risks and the structure of the investment commitments.

Taiwan Weighs High-Tech Strategic Partnership with the U.S. Amid Tariff Talks

Taiwan is considering the creation of a high-tech strategic partnership with the United States, as Washington seeks greater Taiwanese investment and industrial cooperation, Taiwan’s top tariff negotiator said on Thursday.

Taiwan — home to the world’s leading contract chip manufacturer, TSMC — currently faces a 20% U.S. tariff on its exports and is looking to negotiate a reduction. The initiative comes as both economies explore deeper technological collaboration amid growing global competition over semiconductor supply chains.

Vice Premier Cheng Li-chiun, who heads Taipei’s delegation in the ongoing tariff talks, said she remains optimistic about reaching a consensus with the U.S. on what she called a “Taiwan model” for investment.

“The current negotiation focus is that the United States expects us to expand investments and engage in supply chain cooperation,” Cheng told reporters in Taipei after returning from Washington.

She emphasized that Taiwan’s approach would not involve relocating its core supply chains, but rather expanding production capacity on U.S. soil in strategic sectors. The plan would include export credit guarantees, joint R&D projects, and the co-development of industrial clusters between the two countries.

TSMC’S ROLE AND THE U.S. EXPECTATIONS

While the U.S. has expressed interest in more domestic semiconductor production, Cheng clarified that TSMC was not directly involved in the latest negotiation round. The company, currently investing $165 billion in chip plants in Arizona, continues to keep most of its production operations in Taiwan.

She also dismissed recent reports that U.S. Commerce Secretary Howard Lutnick had proposed a 50-50 chip production split, saying:

“That idea was not raised in our talks, and it is not something Taiwan would agree to.”

Cheng noted that Washington’s priority appears to be strengthening its domestic chip production to reduce supply chain dependence on Asia, while Taiwan’s long-term strategy is to stay rooted at home but expand globally through bilateral cooperation.

INDUSTRIAL PARTNERSHIP, NOT RELOCATION

The envisioned “Taiwan model,” Cheng said, represents a strategic partnership framework—one where the island’s companies would invest in R&D and manufacturing capacity abroad, supported by governmental financial and policy mechanisms, without shifting their operational core from Taiwan.

Neither the U.S. Commerce Department nor the Office of the U.S. Trade Representative has commented publicly on the discussions, which continued as the U.S. government entered a temporary shutdown this week.

With Taiwan’s semiconductor industry playing a pivotal role in the global AI and electronics boom, both Taipei and Washington are looking to balance national security priorities with economic growth.

“Our aim,” Cheng concluded, “is to remain rooted in Taiwan, deploy around the world, and build bilateral strategic cooperation that supports both sides’ technological ambitions.”

Trump and Xi advance TikTok talks, plan South Korea summit

U.S. President Donald Trump and Chinese President Xi Jinping said they made progress toward a TikTok deal during their first phone call in three months, and agreed to meet face-to-face on October 31 in Gyeongju, South Korea, at the Asia-Pacific Economic Cooperation (APEC) forum.

Trump told reporters Xi had “approved the TikTok deal,” though China’s official statement stopped short, saying only that it respected company negotiations “based on market rules.” A final agreement remains elusive, with disputes over ownership, algorithm control, and congressional approval still unresolved.

Under pressure from Congress, ByteDance must divest TikTok’s U.S. assets by January 2025 or face a nationwide ban. Trump has delayed enforcement, citing concerns about angering TikTok’s 170 million American users and disrupting political communications. He hinted the U.S. may even take a multibillion-dollar broker’s fee for helping facilitate the deal.

The call also touched on trade, fentanyl exports, and the Russia-Ukraine war. Trump said Xi indicated he wanted the conflict “ended,” though no specifics emerged. Meanwhile, Trump’s sweeping tariff hikes against China remain in place, with rates at historic highs despite limited deals earlier this year that paused tit-for-tat escalation.

For Beijing, analysts say the dynamic is favorable: China projects patience while Washington seeks quick wins on TikTok and summit optics. Critics in the U.S. warn that leaving ByteDance’s algorithm under Chinese control could still allow Beijing to influence or surveil Americans. China dismisses those concerns as unfounded.

Both sides confirmed additional leader visits in 2025: Trump to Beijing early next year, and Xi to the U.S. later. But thorny issues — from tariffs to Taiwan and the South China Sea — remain unsettled, ensuring the rivalry continues beneath the cautious diplomatic thaw.