Global Semiconductor Selloff Deepens as AI Boom Fears Mount

Global semiconductor markets faced a sharp downturn Tuesday as investor skepticism grows regarding the sustainability of the artificial intelligence spending boom. The selloff, which began in Western markets, deepened significantly during Asian trading hours. In Seoul, the Korea Composite Stock Price Index (KOSPI) felt the brunt of the pressure, particularly as major chipmakers struggled to meet the sky-high expectations of an increasingly nervous market.

SK Hynix Inc., a critical player in the AI supply chain, reported a record quarterly profit surge of 557%. However, even this massive growth failed to satisfy investors who had priced in even loftier gains for the memory chip leader. The miss, combined with news of Nvidia facing potential headwinds and rising competition from Chinese domestic semiconductor firms, has analysts questioning if the 'AI trade' is entering a bubble phase.

The anxiety stems from massive capital expenditure by tech giants that has yet to translate into widespread, tangible bottom-line results beyond the hardware providers themselves. With Nvidia's massive $750 billion in infrastructure deals being viewed through a more critical lens, the broader tech sector is bracing for increased volatility. Market participants are now closely monitoring whether these infrastructure investments will yield a new wave of software-driven productivity or if the industry is overextending its capacity.

As the selloff continues, the focus remains on regional tensions and trade restrictions. Growing competition from China and potential new export controls are adding layers of geopolitical risk to a sector already struggling with valuation concerns. For now, the semiconductor industry—the primary engine of the recent bull market—is facing its most significant reality check since the AI craze began.