Fujikura’s Supply-Side Squeeze: How a ¥300 Billion Bet Fell Short of Market Expectations

Shares of the Japanese fiber-optic giant slid for a fourth straight session on Friday, closing at ¥4,771 – a 4.90% drop that bucked a buoyant Nikkei index. The broader market rose 2.61% on the day and 4.83% over the week, yet Fujikura managed only a brief Monday spike to ¥5,550 before surrendering all those gains and more. From that weekly high, the stock has now shed roughly 14%.

The sell-off was amplified by record turnover: 71.39 million shares changed hands, worth ¥340.62 billion, driven largely by the MSCI index rebalancing for May 2026. Yet the underlying trigger was more fundamental. Investors took a hard look at Fujikura’s mid-term management plan for the fiscal years 2026 through 2028 and found the profit targets wanting. The company projects an operating result of ¥315 billion for the year ending April 2028 – a figure that lands a full 30% below the average analyst estimate of ¥455 billion.

The disconnect between Fujikura’s grand investment ambitions and its conservative outlook is increasingly hard to ignore. The company is ploughing ¥300 billion into expanding capacity for optical cables and SWR/WTC products, targeting AI data-center infrastructure. A new US subsidiary, Fujikura Optical Cable Systems LLC, is set to launch in Delaware in June 2026. Domestically, a ¥40 billion plant in Sakura, Chiba Prefecture, is slated to begin operations in December 2030. Yet management itself has warned that even after these expansions, production bottlenecks may persist, preventing the order book from being fully cleared.

Should investors sell immediately? Or is it worth buying Fujikura?

Morgan Stanley flags a structural vulnerability: Fujikura must purchase 15% to 20% of its fiber from external suppliers, a reliance that compresses margins and raises questions about production autonomy. That constraint helps explain why the market is shrugging off the company’s strong recent performance. For the fiscal year ended March 2026, revenue climbed 20.73% to ¥1.1823 trillion, operating profit surged 39.25% to ¥188.707 billion, and net profit attributable to owners jumped 72.47% to ¥157.163 billion. The current fiscal year’s guidance – ¥1.243 trillion in revenue and ¥211 billion in operating profit – still represents solid growth, but expectations had already been priced in during the stock’s earlier run to a 52-week high of ¥7,933 on May 13. The shares now trade nearly 40% below that peak.

Technically, the chart has turned bearish. The stock closed below both short-term and long-term moving averages, with the 50-day line at around ¥5,177 and the 200-day at ¥4,418 acting as overhead resistance and underlying support respectively. The relative strength index sits at 38.18, firmly in bearish territory, while MACD and multiple Ichimoku signals point lower. On the downside, immediate support lies at ¥4,668, followed by ¥4,558 and ¥4,315. Any bounce would need to clear resistance at ¥5,047, then ¥5,196 and the key ¥5,555 level where last week’s recovery failed.

Shareholders have one near-term catalyst to watch: the annual general meeting scheduled for June 30, where votes will be cast on governance reforms and new equity incentive programs. The company also raised its year-end dividend to ¥130 per share, up ¥10 from the previous plan, bringing the full-year payout to ¥225 before a stock split. But that modest increase is unlikely to soothe the market’s frustration over the earnings trajectory.

Fujikura remains a high-conviction AI infrastructure play, but the narrative has shifted from unbridled growth to a reality check on supply-side execution. Until the company can demonstrate that its ¥300 billion splurge will actually relieve production constraints – and close the gap with analysts’ profit expectations – the stock may struggle to recapture the momentum that drove it to record levels just weeks ago. The near-term focus now shifts to whether ¥4,668 holds; a break below would open the door to ¥4,558 and beyond.

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