SoftBank (SFTBY) Stock: Declines 4.33% Amid AI Spending Concerns in US

TLDRs;

• SoftBank shares fell 4.33% as concerns over US AI spending ripple through global tech markets.
• Japanese tech stocks, including Advantest and Tokyo Electron, decline alongside SoftBank’s drop.
• Nasdaq tech losses, particularly in AI-focused firms, contributed to investor caution in Asia.
• Private credit and non-recourse financing continue to support AI data center expansion despite volatility.

SoftBank Group (SFTBY) experienced a 4.33% decline on December 18, reflecting investor caution surrounding AI-related capital expenditures in the United States. The drop put SoftBank at the forefront of losses in the Japanese technology sector, which saw broader market impacts.

The Nikkei 225 index fell 1.2%, while other major tech firms also posted declines, with Advantest down nearly 5% and Lasertec, Renesas Electronics, and Tokyo Electron slipping between 3% and 4%.

SoftBank Group Corp., SFTBY

Market analysts note that the declines were influenced by overnight losses in the Nasdaq Composite, which dropped 1.8% due to selling pressure in major US AI and tech stocks including Oracle, Broadcom, and Nvidia.

AI Spending Concerns Affect Investors

The sell-off underscores investor sensitivity to the pace of AI investment by major US technology companies. While there was a brief pause in data center financing by Blue Owl and Oracle, experts emphasize that these delays do not indicate a broad freeze in capital expenditure.

Hyperscalers, including Amazon, Microsoft, and Google, are expected to spend more than $380 billion on capital expenditures this year alone. Microsoft forecasts that its fiscal year 2026 spending will accelerate further, with at least $94 billion earmarked for expansion. Cloud infrastructure sales also continue to rise, with AWS revenue up 20%, Azure up 40%, and Google Cloud up 34% to $15.15 billion.

Investors appear concerned about the short-term volatility in AI spending, even as long-term infrastructure growth remains robust.

Japanese Tech Sector Feels Pressure

SoftBank’s decline reverberated through Japan’s technology sector, triggering losses across key companies. Advantest, a leading semiconductor tester, saw its stock fall by nearly 5%, while Lasertec, Renesas Electronics, and Tokyo Electron lost 3–4%. Analysts suggest that these declines illustrate how global tech sentiment, especially in the US, can influence Asian markets.

Despite the short-term drop, fundamentals remain solid. Japanese tech firms continue to benefit from global demand for semiconductors and advanced electronics, and the broader market impact is largely attributed to investor caution rather than structural weaknesses.

Private Credit Supports AI Growth

Amid market volatility, private credit and infrastructure financing remain strong for AI data center development. Global asset managers, including Apollo, PIMCO, and Blackstone, are leveraging non-recourse project finance structures and flexible private credit arrangements to fund new AI infrastructure projects.

These financial vehicles protect lenders by limiting claims to the project itself, providing developers with secure and adaptable funding.

Applied Digital, a notable US data center operator, is receiving $787.5 million in equity backing from Macquarie Asset Management. Its Polaris Forge 2 campus in North Dakota currently leases 200 MW to a top-tier hyperscaler and holds rights for an additional 800 MW, providing up to 1 GW of expansion capacity. Analysts highlight that private credit fills financing gaps left by banks, enabling continued AI growth even amid headline-driven market uncertainty.

Looking Ahead

While SoftBank’s 4.33% drop signals near-term caution, long-term prospects for AI and cloud infrastructure remain positive. Hyperscaler investments continue to grow, and private financing ensures that data center expansion is not stalled.

Market participants will be closely monitoring upcoming earnings and AI spending reports in both the US and Japan to assess whether these declines are temporary or indicative of broader trends.

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