SK Square Co Ltd stock (KR7402340004): AI?driven rally lifts shares after Big Tech earnings surge

SK Square Co Ltd shares surged more than 17% in early May 2026 as AI?related capex expectations boosted its key holding SK hynix and lifted the broader Korean market.

SK Square Co Ltd shares jumped more than 17% in early May 2026, riding a broader rally in South Korea’s Kospi index fueled by strong Big Tech earnings and rising expectations for artificial?intelligence capital spending, according to a market report from the Korea JoongAng Daily published on May 4, 2026.

As of: 09.05.2026

By the editorial team – specialized in equity coverage.

At a glance

• Name: SK Square Co Ltd
• Sector/industry: Technology investment / semiconductor
• Headquarters/country: Icheon?si, South Korea
• Core markets: South Korea, China, Asia, United States, Europe
• Key revenue drivers: Equity stakes in semiconductor and ICT companies, notably SK hynix
• Home exchange/listing venue: Korea Exchange (KRX: 402340)
• Trading currency: Korean won (KRW)

SK Square Co Ltd: core business model

SK Square Co Ltd operates as a Korean?based holding and investment company linked to the SK Group, focusing on technology and digital assets rather than consumer products, according to an investor overview from Alpha Spread published in 2026.

The firm manages a portfolio of stakes in technology and internet?related businesses, with a strong emphasis on semiconductors, security, and platform assets, and it makes strategic decisions on holding, buying, or selling these investments to enhance value for shareholders.

By concentrating on high?growth digital sectors, SK Square positions itself as a leveraged play on global demand for chips and data?center infrastructure, particularly in artificial?intelligence and cloud?computing applications.

Main revenue and product drivers for SK Square Co Ltd

SK Square’s main value driver is its roughly 20% stake in SK hynix, a leading memory?chip maker whose performance is closely tied to global AI and data?center capex cycles, as noted in the Korea JoongAng Daily report on May 4, 2026.

When major U.S. and global tech firms report strong earnings and raise AI?related investment plans, demand for high?bandwidth memory and advanced logic chips tends to rise, which in turn lifts SK hynix’s share price and, by extension, SK Square’s net asset value.

Over the past year, SK Square’s stock has gained more than 470% on the Korea Exchange, reflecting both the surge in AI?related semiconductor demand and the company’s relatively high beta of about 1.5, indicating above?market volatility, according to Stock Analysis data updated in 2025.

Why SK Square Co Ltd matters for US investors

For U.S. investors, SK Square offers indirect exposure to the Korean semiconductor ecosystem and to SK hynix’s role in supplying memory chips to U.S. cloud and AI hardware providers, which are key beneficiaries of the ongoing AI build?out.

Because SK Square is listed on the Korea Exchange and denominated in Korean won, U.S. investors typically access it via international brokers or structured products, and they face currency and geopolitical risks in addition to the cyclical nature of the semiconductor industry.

Nonetheless, the stock’s strong performance over the past 12 months and its tight linkage to AI?related capex make it a notable name for investors seeking leveraged exposure to the global AI hardware chain.

Conclusion

SK Square Co Ltd has benefited sharply from the AI?driven rally in semiconductor stocks, with its shares surging more than 17% in early May 2026 as expectations for AI capex rose following strong Big Tech earnings, according to the Korea JoongAng Daily report of May 4, 2026.

The company’s value is closely tied to its stake in SK hynix and to the broader memory?chip cycle, which can be highly cyclical and sensitive to changes in global tech spending and macroeconomic conditions.

For U.S. investors, SK Square represents a leveraged, foreign?listed way to gain exposure to the AI hardware supply chain, but it also carries currency, geopolitical, and sector?specific risks that should be carefully weighed before any investment decision.

Disclaimer: This article does not constitute investment advice. Stocks are volatile financial instruments.