Artificial intelligence has fueled a powerful rally in emerging-market technology stocks, with semiconductor manufacturers in South Korea and Taiwan at the forefront of the surge. These companies, which produce the advanced chips essential to AI infrastructure, have drawn renewed investor enthusiasm and driven significant gains across emerging-market equity indices.

The rally has been led by semiconductor giants in two key Asian markets. South Korea is home to Samsung Electronics and SK Hynix, two of the world's largest manufacturers of memory chips, including high-bandwidth memory used in AI applications. Taiwan hosts TSMC (Taiwan Semiconductor Manufacturing Company), the world's largest contract chipmaker and a critical supplier to global technology firms, including Nvidia, whose graphics processing units power much of the current generation of AI training and inference workloads. Both countries' benchmark indices, including South Korea's Kospi, have benefited from the growing demand tied to AI infrastructure buildout by major cloud-service providers such as Amazon, Google, Microsoft, and Meta, all of which have committed to large-scale capital expenditure on AI computing capacity.

However, the rapid rise in valuations has introduced significant challenges. Soaring stock prices have triggered sharp volatility, foreign investor outflows, and growing concentration risks, as emerging-market portfolios have become increasingly weighted toward a small number of large-cap technology names. This concentration has amplified the impact of individual stock movements on broader index performance. The dynamic mirrors a broader global pattern in which a handful of AI-exposed technology firms have driven disproportionate share of equity-index returns, a trend visible in US markets as well.

Geopolitical factors add another layer of complexity. The semiconductor industry has become a focal point of US-China technology competition, with the United States imposing export controls on advanced chips and chipmaking equipment to China since 2022. These restrictions, along with related policy measures, have reshaped supply chains and created both opportunities and risks for Korean and Taiwanese chipmakers, who occupy critical positions in the global semiconductor value chain.

Despite recent market corrections, investors remain broadly optimistic about the long-term growth potential of AI-driven industries, according to Reuters. The semiconductor sector, widely regarded as the backbone of AI infrastructure, continues to attract attention as global demand for advanced computing capacity expands.

Source: Economic Times Markets (reporting via Reuters)