Microsoft Corp. is on track to record its steepest monthly Microsoft Shares price decline since December 2000, with its stock falling more than 20% in June. The decline comes despite the technology giant continuing to post strong financial results, highlighting growing investor concerns over the company’s massive investments in artificial intelligence (AI) infrastructure.
Over the past year, Microsoft’s market capitalisation has dropped from nearly $4 trillion to approximately $2.65 trillion, placing it behind Nvidia Corp., Apple Inc., and Alphabet Inc. in market value.
The sell-off has surprised many market observers, given that Microsoft’s core business remains robust. The company has reported year-over-year revenue growth of between 16% and 18% for eight consecutive quarters, while consistently beating Wall Street earnings expectations.
AI Infrastructure Spending Takes Centre Stage
Analysts say the primary reason behind the stock’s decline is Microsoft Share’s rapidly rising capital expenditure (capex), which has become a key focus for investors.
Capital expenditure refers to investments in long-term assets such as data centres, servers, and computing infrastructure. As Microsoft accelerates its AI ambitions, it has significantly increased spending on building data centres capable of supporting next-generation AI models and cloud services.
The company spent $38 billion on capital projects during the last quarter alone. According to estimates by Bank of America, Microsoft’s total capital expenditure could approach $190 billion in 2026.
The trend extends beyond Microsoft. The world’s five largest cloud service providers, Amazon, Microsoft, Alphabet, Meta Platforms, and Oracle are expected to collectively invest more than $700 billion in AI infrastructure this year.
Pressure on Cash Flow and Shareholder Returns
The surge in AI-related investments has begun affecting Microsoft’s financial metrics. Capital spending rose 63% year over year, while free cash flow declined by 10%.
Lower free cash flow leaves companies with fewer resources for shareholder-friendly measures such as stock buybacks and dividend payments. According to Bank of America, the giant firm’s capital expenditure has increased from around 70% of operating cash flow in 2025 to nearly 100% in 2026, leaving limited excess cash for investors.
Market Focus Shifts to Future Costs
While semiconductor companies have benefited from the AI boom, technology giants building AI infrastructure have faced increasing market scrutiny. Investors are increasingly rewarding firms that supply AI hardware while questioning the profitability of companies funding the infrastructure expansion.
For Microsoft Shares , the challenge is balancing aggressive investment in future AI growth with maintaining healthy cash flows today. For now, investors appear more concerned about the rising costs of building tomorrow’s AI ecosystem than the company’s strong earnings performance.
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