Semiconductor Demand Fuels EM Equity Rally, Concentration Risks Emerge
The semiconductor sector's integral role in the 2026 AI boom is driving significant gains in emerging market equities. However, the sector's growth is accompanied by substantial concentration risks across supply chains and geopolitical factors.
Semiconductors are proving to be the core driver of the 2026 artificial intelligence (AI) rally, with capital investment heavily directed towards AI infrastructure and the data centers that rely on advanced chips. This surge has led to substantial gains in emerging market (EM) equities, particularly in countries like South Korea and Taiwan, where the semiconductor industry holds significant weight.
However, this boom has also amplified concentration risks within emerging markets. Dependence on the semiconductor sector is now extreme in these economies, making them vulnerable to any sector-specific downturn. While the earnings power is demonstrably strong – semiconductors account for a disproportionately large share of profits relative to sales in countries like South Korea and Taiwan – potential disruptions could lead to severe re-ratings.
Despite these risks, a strong bull case persists. Major tech players, known as hyperscalers, continue to signal aggressive capital expenditure plans, suggesting robust growth projections for Asian chipmakers through 2029. The broader diffusion of AI, the corporate shift towards agentic platforms, and the demand for memory-intensive chips further underpin structural demand. Barriers to entry, including significant capital and expertise, also provide a strong competitive moat for established foundries.
Yet, several risks could unsettle the market rally over the next 12-24 months. Geopolitical escalations in the Middle East could disrupt energy supplies crucial for Asian production. Bottlenecks in the critical input supply chain could increase costs and lengthen lead times, hindering AI capital expenditure momentum. A potential mismatch between new supply coming online and decelerating capital allocation, possibly triggered by rising interest rates, also poses a threat. Furthermore, intensified competition, notably from China's push for chip self-sufficiency, adds another layer of complexity to the global semiconductor landscape.