HDD surges: Leading company expands production by 60 billions, why is the top tier competing for magnetic head manufacturers?
In October, Toshiba announced an investment of approximately 60 billion yen (about 380 million USD) to expand its factory in the Philippines, aiming to double HDD production capacity for AI data centers by FY2027, and to increase its market share by capacity from "slightly above 10%" to 30%.
This is Toshiba's first large-scale HDD investment in about five years. Seagate's share price dropped as much as 16% intraday, and Western Digital's fell as much as 14% on the same day.
Bloomberg revealed another piece of news: Seagate and Toshiba are bidding for TDK's hard disk drive head business, with the transaction amount possibly reaching several billion USD. Why are Japanese component manufacturers collectively expanding production this year? TDK plans to increase head production capacity by +50%, Nitto Denko's CISFLEX by +40%, Resonac's disk platters by +31%, and HOYA is building a new glass substrate factory in Vietnam; while the two leading US companies have yet to announce any dedicated HDD capacity expansion plans.
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In September, Japanese investors withdrew from foreign bond markets for the second consecutive month.
Reuters, October 8 – In September, Japanese investors became net sellers of foreign bonds for the second consecutive month, driven by rising borrowing costs in the US and Europe, as well as increasingly attractive domestic yields that prompted them to withdraw from overseas bond markets. Data released by Japan's Ministry of Finance on Tuesday showed that Japanese investors were net sellers of 969 billion yen ($613 million) in foreign bonds last month, which was lower than the previous month's net sales of 1.16 trillion yen. They net sold 1.43 trillion yen in long-term foreign currency bonds—a six-month high—while purchasing about 457 billion yen in short-term notes. The increase in Japanese interest rates is beginning to attract some of the country's vast overseas investments back home, marking a significant shift in global capital flows. Year to date, Japanese investors have net sold about 5.08 trillion yen in foreign bonds, the highest since 2022. This capital outflow could support the yen’s exchange rate and put pressure on bond markets that have long considered Japan a major buyer. Soaring energy costs have heightened inflation concerns, prompting the Federal Reserve (FED) and the European Central Bank to raise interest rates in September, which has further pressured global bond markets. Earlier this week, Japan's benchmark 10-year government bond yield rose to 3.122%, its highest in 30 years, increasing the appeal of domestic bonds. In September, led by the Bank of Japan, Japanese institutions sold a net 2.49 trillion yen in long-term foreign bonds, a seven-month high. Life insurance companies and investment trust managers also recorded net sales of 288.6 billion yen and 200.1 billion yen respectively. However, trust accounts net purchased 1.2 trillion yen in long-term foreign currency bonds, highlighting divergent investment strategies among Japanese institutional investors. Another Bank of Japan report showed that in the first eight months of this year, Japanese investors net sold 4.74 trillion yen in US Treasuries, while net purchasing 355.85 billion yen in European bonds. Within Europe, Japanese investors net bought 329.82 billion yen in Italian bonds, while net selling 208.59 billion yen and 94.25 billion yen in French and German bonds, respectively. (1 US dollar = 158.1400 yen)

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