SK Hynix shares climbed about 4% in US premarket trading on Wednesday after the South Korean memory chipmaker unveiled a massive share repurchase and cancellation program, aiming to return more of its AI-driven cash hoard to investors.

The company's board approved a 40.004 trillion won (approximately $28.3 billion) buyback covering 24.07 million shares, or about 3.3% of outstanding stock, scheduled from August 20 through November 19. The announcement came as SK Hynix shares fell 9% in Seoul on Wednesday, following a broad sell-off in US semiconductor stocks the prior session.

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Despite the recent dip, SK Hynix has more than doubled in value this year, buoyed by its position as a leading supplier of high-bandwidth memory (HBM) used in AI systems. The buyback addresses growing investor pressure on SK Hynix and Samsung Electronics to return more cash, especially after both reported record profits amid surging demand for advanced memory chips.

Investors push for bigger payouts

Investors have increasingly questioned why strong cash generation hasn't translated into larger dividends or buybacks. The pressure intensified after shares retreated from June highs amid concerns about the sustainability of AI spending. SK Hynix stated that its "intrinsic value โ€” underpinned by its business competitiveness, robust cash generation capability, and mid-to-long-term growth potential โ€” is not fully reflected in its current stock price."

The company also raised its shareholder return target from "within 50% of cumulative FCF" to "over 50% of cumulative FCF" through buybacks, cancellations, and dividends. It is considering additional options, including special dividends, with details expected alongside third-quarter earnings in late October.

Cash pile under scrutiny

SK Hynix held roughly 69 trillion won in net cash at the end of Q2, giving it ample capacity to return capital while continuing investments. Some investors argue that maintaining such a large cash balance could signal a lack of confidence in the durability of AI demand. Templeton Global Investments portfolio manager Yiping Liao told Bloomberg that increasing distributions would be the "clearest signal" that management views the AI boom as structural rather than cyclical. "If you think there's less cyclicality, you don't need so much cash on your balance sheet," Liao said, noting the company is set to generate "phenomenal" cash this year and next.

Closing the payout gap with US peers

The move also highlights the divergence in shareholder returns between South Korean chipmakers and international rivals. Samsung and SK Hynix target distributions of about half of free cash flow, while US memory maker Micron pledged in June to return 100% of its free cash flow. SK Hynix's latest buyback could signal a shift in balancing AI-driven capacity investments with capital returns. "The size of this buyback is a strong signal from SK Hynix and delivers something investors have been calling for, putting its growing cash pile to work and increasing shareholder returns," said Josh Gilbert, lead analyst at eToro, in a Dow Jones report.

AI demand remains central

The buyback doesn't alter the core investment thesis for SK Hynix, which remains tied to the AI semiconductor cycle. As a leading HBM supplier, the company is a major beneficiary of data-center expansion. However, recent volatility in semiconductor stocks shows investors remain sensitive to valuation and AI spending sustainability. The buyback could provide support if it reinforces confidence in long-term AI demand. Further details on capital-return plans are expected with Q3 results, where investors will also look for signs that the AI memory boom remains intact.

For context, the recent sharp sell-off in Seoul and the KOSPI rebound highlight the market's sensitivity to AI-related news. Meanwhile, Micron and SK Hynix have surged on AI demand and policy shifts, and Goldman Sachs has urged buying the dip in these names.

This article is for informational purposes only and does not constitute financial advice.