Despite global economic uncertainty, trade tensions, and fluctuating markets, the world’s leading technology giants have continued to grow in value. In October 2025, NVIDIA, Microsoft, and Apple emerged as the only companies to enter the $4 trillion market capitalisation club, reaffirming the dominance of the U.S. tech sector.
Key Highlights
- NVIDIA, led by CEO Jensen Huang, became the first company ever to cross the $4 trillion mark, overtaking Microsoft and Apple earlier in the year.
- Microsoft followed by reaching the same milestone in July 2025, while Apple joined the exclusive group after a sharp share-price rally in October 2025.
- Apple’s market value surged following the record-breaking launch of the iPhone 17 series in September 2025.
- Over the past three months, Apple’s shares have risen by 25%, while Microsoft’s have increased by 6%.
- Other major players like Alphabet (Google), Meta, Amazon, and Tesla continue to remain close competitors in the trillion-dollar league.
Top 10 Most Valuable Companies in the World (as of October 2025)
| Rank | Company | Market Cap (USD) | Country |
|---|---|---|---|
| 1 | NVIDIA | $4.894 Trillion | USA |
| 2 | Microsoft | $4.029 Trillion | USA |
| 3 | Apple | $3.992 Trillion | USA |
| 4 | Alphabet (Google) | $3.239 Trillion | USA |
| 5 | Amazon | $2.444 Trillion | USA |
| 6 | Meta Platforms (Facebook) | $1.887 Trillion | USA |
| 7 | Broadcom | $1.761 Trillion | USA |
| 8 | Saudi Aramco | $1.669 Trillion | Saudi Arabia |
| 9 | TSMC (Taiwan Semiconductor Manufacturing Company) | $1.563 Trillion | Taiwan |
| 10 | Tesla | $1.531 Trillion | USA |
India’s Largest Company by Market Capitalisation
- Reliance Industries Limited (RIL) continues to be India’s most valuable company, ranking 69th globally as of October 2025.
- Current Market Cap: $230.69 billion (approx. ₹20.36 trillion)
- Reliance’s global ranking slipped from 46th in 2024 due to market volatility and declining oil margins.
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