The global stock market is undergoing a dramatic transformation, with the AI boom reshuffling the pecking order and propelling South Korea and Taiwan into the top 10. This shift is particularly striking, as it has occurred at an unprecedented speed and is driven by a narrow set of factors. In my opinion, this phenomenon raises important questions about the future of global equity markets and the role of AI in shaping them.
One thing that immediately stands out is the concentration of capital into AI-linked firms. TSMC alone now accounts for more than 40% of Taiwan's market capitalization, while Samsung Electronics and SK Hynix together make up a record 42.2% of South Korea's Kospi index. This concentration of power in a small number of stocks is a cause for concern, as it can lead to volatility and risk. As HSBC's Asia-Pacific head of equity strategy, Herald van der Linde, notes, "We're now reaching levels where many Asian portfolios are starting to face concentration risk, meaning too much exposure to a small number of stocks in the region." This raises a deeper question: how can we ensure that the benefits of the AI boom are shared more broadly, rather than concentrated in the hands of a few?
What makes this particularly fascinating is the role of the semiconductor supply chain. The transition toward agentic AI has triggered an explosion of so-called token demand, creating a supply shortage that is driving extraordinary pricing power for chipmakers. This has led to the ascent of South Korea and Taiwan, which are now the world's sixth and eighth largest stock markets, respectively. However, as Goldman Sachs' chief regional equity strategist for Asia-Pacific, Tim Moe, points out, "It's the AI hardware theme that's clearly what is propelling things." This raises a question: how sustainable is this boom, and what will happen when the supply of AI hardware catches up with the demand?
From my perspective, the AI boom is a double-edged sword. On one hand, it is driving innovation and creating new opportunities. On the other hand, it is concentrating power and creating risks. The concentration of capital into AI-linked firms is a cause for concern, as it can lead to volatility and risk. However, the AI boom also presents an opportunity to rebalance the global stock market and create a more diverse and inclusive system. As June Chua, head of Asia equities at Manulife Investment Management, notes, "Both indices have effectively become AI and semiconductor proxies." This raises a question: how can we ensure that the benefits of the AI boom are shared more broadly, rather than concentrated in the hands of a few?
In my opinion, the AI boom is a wake-up call for the global stock market. It is a reminder that the market is not a static entity, but rather a dynamic and evolving system. As such, we must be prepared to adapt and respond to the changing landscape. The ascent of South Korea and Taiwan is a testament to the power of innovation and the potential for disruption. However, it also raises important questions about the future of global equity markets and the role of AI in shaping them. As we move forward, it is essential that we consider the broader implications of the AI boom and work to create a more sustainable and inclusive system.
