Microsoft has claimed the position of the world’s second-most valuable company by market capitalization, edging past Nvidia in a closely watched contest among technology giants.
At the moment of the crossover, Microsoft’s market value stood at approximately $4.035 trillion while Nvidia’s sat at $4.032 trillion.
However, Microsoft did not overtake Nvidia because its shares experienced a massive rally; rather, Nvidia’s shares suffered a much sharper decline.
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According to Reuters, Microsoft shares fell approximately 0.4% to $543.25, while Nvidia lost more than 6%, trading around $167.11. The difference pushed Microsoft ahead of Nvidia in market capitalisation for the first time since June 2025.
The two companies have traded places near the top of the market-cap rankings multiple times as AI enthusiasm has waxed and waned. Apple remained the clear leader with a market capitalization exceeding $5 trillion.
Nvidia’s decline reflected investor concerns about the sustainability of the artificial intelligence boom that has powered the chipmaker’s extraordinary growth in recent years.
Also, the massive plunge in its share price was triggered by the controversy surrounding CEO Jensen Huang’s alleged extramarital affair, which has raised investors’ concerns.
The controversy centres on Alice Huang, a former executive of Singapore-based technology company Megaspeed, who reportedly had a close relationship with Jensen Huang.
According to reports, US intelligence authorities suspected that Alice Huang was gathering information for Beijing. The allegations raised questions about whether the relationship could have exposed sensitive information about Nvidia’s operations, business relationships and semiconductor technology to foreign intelligence interests.
Jensen Huang subsequently acknowledged having an extramarital affair in a message to Nvidia employees, apologising to his wife, family and colleagues.
Although he admitted to the relationship, he maintained that he would cooperate fully with investigations and reaffirmed his commitment to protecting Nvidia and US national security. The CEO also expressed support for the company’s independent investigation into whether he had been targeted by a foreign intelligence operation.
The developments immediately unsettled investors, particularly because Jensen Huang remains central to Nvidia’s corporate identity, strategic direction and relationships with major customers and governments.
Unlike many technology companies with more distributed leadership structures, Nvidia’s growth and its position in the global artificial intelligence industry are closely associated with Huang’s leadership.
Amidst all of this, Microsoft continues to benefit from steady demand for its cloud computing platform Azure and its expanding suite of AI tools and services. Investors appear more comfortable with the diversified nature of Microsoft’s business compared with Nvidia’s heavier reliance on AI-related chip sales.
One of Microsoft’s biggest advantages is its ability to commercialise artificial intelligence through products already used by millions of individuals and businesses. Rather than relying exclusively on selling AI infrastructure, Microsoft is integrating AI into its existing software ecosystem.
Another major contributor to Microsoft’s growth is its cloud computing business, Azure. As businesses increasingly adopt artificial intelligence, demand for computing infrastructure, data storage and processing capabilities continues to expand.
Azure provides the infrastructure required by organisations to develop, train and deploy AI applications. Microsoft’s investments in data centres, advanced computing systems and networking infrastructure have strengthened its position in the cloud market, allowing it to generate revenue from companies seeking the resources to integrate AI into their operations.
Through its cloud infrastructure, Microsoft also provides computing resources that support the development and deployment of AI models.
Microsoft’s aggressive investments in artificial intelligence infrastructure further demonstrate its commitment to the sector.
The company has committed substantial capital to expanding data centre capacity, acquiring advanced processors and developing specialised computing infrastructure to accommodate the growing demand for AI services.
Interestingly, Microsoft is also one of Nvidia’s largest customers, purchasing its GPUs to power Azure and other AI-related operations.
However, the company is simultaneously developing its own AI chips as it seeks greater control over its computing infrastructure and potentially reduce its dependence on external semiconductor suppliers.
Beyond infrastructure, Microsoft’s established presence in the corporate software market gives it a significant distribution advantage. Its products are deeply integrated into the operations of businesses, financial institutions, governments and other organisations.
This makes it easier to introduce AI-powered services to existing customers without requiring them to migrate to entirely new technology platforms. As enterprise adoption of artificial intelligence expands, Microsoft is positioned to generate additional revenue from organisations seeking to improve productivity, automate processes and modernise their operations.
Looking ahead
The competition between Microsoft and Nvidia is likely to remain intense as investors reassess the long-term commercial value of artificial intelligence and the companies best positioned to benefit from its expansion.
While Nvidia continues to dominate the market for AI processors, Microsoft’s ability to generate revenue from cloud computing, enterprise software, and AI-powered services gives it multiple avenues for sustaining growth.