Taiwan’s central role in advanced semiconductor manufacturing is turning the artificial-intelligence boom into a defining economic and investment story for the island—and a strategic concern for the global technology supply chain.
A report by Le Monde on 12 November examined how the rise of Taiwan Semiconductor Manufacturing Company (TSMC), the world’s leading producer of advanced chips, has lifted the local market and made the company a major focus for investors and policymakers.
A market increasingly tied to one industry
Demand for processors used in AI systems has strengthened the position of Taiwan’s chip industry. The resulting share-price gains have drawn more local investors into the market, including households with direct or indirect exposure through individual shares and index funds.
That enthusiasm also creates risks. When a large share of market performance depends on one company or sector, a correction in technology valuations can affect household wealth, retirement portfolios and confidence beyond the semiconductor industry itself. Borrowing to invest can amplify those losses.
Supply-chain importance and geopolitical exposure
TSMC’s manufacturing capabilities are strategically important because advanced chips support data centres, consumer electronics, industrial systems and defence technologies. Global dependence on production in Taiwan has helped shape the idea of a “Silicon Shield”, but overseas expansion and efforts by other economies to develop domestic capacity could gradually change that balance.
The wider question is whether the economic benefits of the AI investment cycle will be distributed broadly or concentrated among chipmakers, technology platforms and investors. For global businesses, supply-chain resilience and exposure to a narrow set of manufacturing locations remain critical considerations.
Source: Le Monde, 12 November 2026.