On August 19, SK hynix rose 3.89% in regular trading, trading at $162.95/share, with turnover of $1.748 billion. The rally was driven by the company's announcement of a massive share buyback and cancellation program.

SK hynix announced it will repurchase and cancel 40 trillion Korean won (approximately $29 billion) worth of treasury shares, with the buyback period running from August 20 through November 19, covering up to 24 million shares. The company also outlined plans to return more than 50% of cumulative free cash flow generated from 2025 through 2027. The announcement came after SK hynix's Korean-listed shares had plunged nearly 10% earlier in the session amid a broader KOSPI selloff that saw the index decline 5.8%, with the stock having fallen over 48% from its highs in less than two months. Following the buyback disclosure, the ADR surged as much as 7.3% in pre-market trading, lifting the broader memory sector including Micron Technology.

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