Japan Subsidises Micron's $9.3 Billion HBM Factory Push as Stock Volatility Rises Above 110%
Published on 07/07/2026 at 16:25 | Redaktion boerse-global.de
Memory-chip makers are rushing to expand capacity at a pace that would normally thrill investors. Yet the market is punishing the very stocks that should benefit most from the artificial-intelligence boom. Micron Technology embodies the contradiction: it is committing $9.3 billion to a new high-bandwidth memory (HBM) plant in Higashi-Hiroshima, Japan, while its shares have shed roughly a quarter of their value since late June.
The Japanese government is underwriting a significant part of the expansion, contributing up to $3.3 billion in subsidies. Micron’s CEO Sanjay Mehrotra noted that the company already produced its first HBM wafer at the existing Hiroshima site. The new facility will focus on HBM chips, the specialised memory used alongside AI processors, with initial output expected by the summer of 2028. The factory is just one piece of a global build-out: Micron is also constructing two advanced plants in Idaho, planning up to four more in New York, and recently added a wafer fab in Singapore and took over the Tongluo-P5 facility from Powerchip in Taiwan. The ambition is to bring 40% of the company’s DRAM production to the United States.
The capacity drive follows what was already a blockbuster quarter. For the three months ended 28 May 2026, Micron reported revenue of $41.46 billion, a sharp sequential and year-on-year jump. Adjusted net income hit $28.86 billion, and the adjusted gross margin reached 84.9%. The fourth fiscal quarter is expected to be even stronger, with guidance of roughly $50 billion in revenue and a gross margin of about 86%. Micron is already shipping its HBM4 chips in volume to lead customers and has started developing HBM4E, with mass production slated for 2027. Moreover, the company has locked in binding customer contracts extending to 2030, guaranteeing at least $100 billion in minimum revenue. All production capacity for high-end memory is sold out for the remainder of 2026.
Should investors sell immediately? Or is it worth buying Micron?
None of this has shielded the stock from a brutal sector rotation. The trigger came when Samsung Electronics, the South Korean rival, reported an operating profit of roughly $58 billion for the latest quarter — almost twenty times the year-ago figure. Rather than cheering the result, investors dumped Samsung shares, which lost nearly 10% in Seoul. The unease spread like a contagion: Kioxia tumbled more than 12%, while SK Hynix and Micron also came under heavy pressure. The market appears to be pricing in a peak in the AI memory cycle, even as order books remain full.
Micron’s recent price action has been exceptionally volatile. Annualised volatility stands above 111%, a clear sign of frayed nerves. On Tuesday, the stock fell 4% to €827.50, and it slid further later in the week, closing at €808.70 after a 6.2% drop on that session. That puts the shares about 25% below the 52-week high of €1,103.80 reached on 25 June 2026. The relative strength index of 46.2 signals neutral territory — neither overbought nor oversold. While the stock still trades roughly 6% above its 50-day moving average, it remains more than 100% above the 200-day average of €398.51, underscoring how much of the past year’s spectacular climb is now being unwound. For perspective, the equity had risen more than nine-fold from its August 2025 low of €90.64.
Compounding the sector’s discomfort, SK Hynix is preparing a $28 billion initial public offering on the Nasdaq, scheduled for 10 July 2026. That mega-listing will redistribute capital flows across memory stocks and could add short-term pressure on Micron shares. On the fundamentals side, however, the outlook for chip pricing remains constructive: contract prices for memory are expected to rise by as much as 15% in the third quarter on tight supply. Micron has also deepened its AI partnerships, recently linking up with the startup Anthropic to develop and supply memory, while taking a financial stake in the company’s latest funding round.
The tension is therefore plain: a company whose factories are booked solid for years, whose margins are approaching 85%, and whose forward revenue exceeds $100 billion is watching its stock get sold off because investors fear the cycle has peaked. The Japan factory announcement, with its heavy government backing, demonstrates that Micron is betting the boom has further to run — even if the market is not yet convinced.
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