Kioxia Shares Plunge Amid Japan Yield Spike

Kioxia's shareholder register underwent significant changes after the company completed its ¥800 billion buyback program on August 12. The move reduced the outstanding share count, altering the percentage stakes held by major investors.

The same week saw Japan's ten-year government bond yield climb to its highest level since 1996 due to speculation over a Bank of Japan rate hike and rising oil prices tied to the Iran conflict.

Kioxia shares plummeted over ten percent in a single session, but a U.S. Treasury announcement that it would buy back more long-dated bonds subsequently pushed yields lower globally, easing pressure on Japanese rates.

SK Hynix's 40 trillion won share repurchase program sparked a sector-wide recovery, lifting the Nikkei and Kioxia in particular. The stock closed at €292.75, up 4.5 percent on the day, despite a 0.4 percent weekly decline and an 18 percent drop over the past 30 days.

Market participants attribute the volatility to the repricing of AI-adjacent equities rather than any shift in Kioxia's fundamentals. Analysts remain bullish, with 14 firms rating the stock a buy against one sell recommendation.