India Was the World's Fifth Largest Stock Market. Now Taiwan and South Korea Have Overtaken It — and the Reason Goes Back 40 Years
The ranking change happened so fast that most Indian investors missed it. In the space of a few weeks in May 2026, two markets that India had comfortably led for years quietly overtook it. First Taiwan. Then South Korea. South Korea's total market capitalisation has surged to approximately $5 trillion in 2026, overtaking India's $4.8 trillion. Korea's market capitalisation expanded by 86% in a single year.
This is not a story about India's weakness. India's economy is larger than both. Its fundamentals remain strong. What this is a story about is the extraordinary, concentrated power of being positioned at the centre of one specific technology wave — and what it means to be positioned slightly outside it.
THE AI HARDWARE PREMIUM: WHERE THE MONEY IS GOING
South Korea's KOSPI index has rallied about 90% this year — a pace no other major market has matched. Taiwan is up about 50%. Behind those numbers are two very specific companies doing two very specific things that the world cannot get enough of right now.
Taiwan Semiconductor Manufacturing Company controls 72% of the global foundry market. Every Nvidia GPU that powers an AI query, every Apple chip inside a smartphone, every AI accelerator inside a hyperscaler data centre — TSMC made it. In Q1 2026, the company posted revenue of $35.9 billion — a 35% year-on-year jump — with net profit surging 58% to a fresh record. TSMC's market cap has crossed $2 trillion, making it the sixth most valuable company on Earth.
South Korea's Samsung Electronics and SK Hynix dominate the global market for High Bandwidth Memory chips — the critical memory layer inside every AI accelerator.Every time a data centre adds a GPU cluster, it needs HBM chips. Samsung and SK Hynix make those chips. The demand is growing at a pace that makes every earnings forecast look conservative within two quarters.
TSMC's weighting in the MSCI Emerging Markets Index now sits at 14.2% — well above India's 11.94%, which is at its lowest level in six years. Passive index funds that track the MSCI EM are mechanically buying more Taiwan and Korea and relatively less India. That index weight shift is itself a driver of the capital flow divergence.
WHY THE RACE WAS LOST DECADES AGO
Taiwan's stock market was the world's 12th largest in 2004, worth roughly $500 billion. South Korea ranked 13th at $400 billion. Today, the two markets are valued at $4.7 trillion and $4.4 trillion respectively.
The decisions that created this outcome were not made in 2024 or 2025. They were made in the 1980s and 1990s — when Taiwan's government decided to build the world's most sophisticated semiconductor foundry ecosystem, and South Korea's conglomerates decided to compete in memory chips at global scale.
India's technology sector took a different and highly successful path — services, outsourcing, software. That path created enormous wealth and genuine global competitiveness. But it positioned India in the software layer of the AI stack rather than the hardware layer. And in 2026, it is the hardware layer — chips, memory, advanced packaging — where the extraordinary market value is being created.
The good news is that India is not standing still. The Tata Electronics fab, the Micron OSAT facility in Sanand, and ISM 2.0's $20 billion commitment are all moves toward hardware. But building a semiconductor ecosystem takes decades, not years. Today's AI-linked semiconductor economies are attracting a disproportionate share of global investment flows. The current ranking reversal looks dramatic because India's market story was one of the strongest globally for much of the past decade.
The ranking will matter less in five years than the question of what India builds between now and then. The AI hardware wave will not wait. And the countries that sat at its centre — because their grandparents made industrial policy decisions four decades ago — will continue to benefit disproportionately until India's own chip infrastructure matures enough to compete.
That is not a pessimistic conclusion. It is an honest one.
Nikunjj Jhawar is a Chartered Accountant (CA) and Chartered Financial Analyst (CFA) with nearly two decades of experience in the financial services industry. Having worked with global institutions such as HSBC and Credit Suisse in investment-related roles, he brings deep expertise in finance and markets. He is the Founder of mangopeoplenews.com, where he focuses on making complex topics in finance, markets and business accessible and relevant to everyday readers.
