AI Boom Sends Asian Stocks Higher as South Korean Chipmaker Reports Record Profit

Asian stock markets rallied on Wednesday, October 28, as renewed optimism about artificial intelligence boosted technology shares. South Korea's Kospi surged, with semiconductor companies among the major beneficiaries of growing demand for AI infrastructure.

South Korean chipmaker SK Hynix attracted investor attention after reporting record quarterly operating profit. The company is a major supplier of high-bandwidth memory used in advanced AI computing systems.

AI Infrastructure Drives Technology Stocks

The latest market gains reflect continued investor interest in the hardware powering artificial intelligence, including advanced memory chips, processors and data-centre equipment.

Technology companies are investing heavily in infrastructure to develop and operate increasingly capable AI systems. This spending has created opportunities for semiconductor manufacturers supplying the equipment and components required by major technology firms.

Samsung Electronics also advanced during Wednesday's trading session, contributing to the strength of South Korea's technology sector.

Investors Watch the Sustainability of the AI Boom

Despite the market rally, questions remain about whether the enormous investments in artificial intelligence will generate sufficient long-term returns.

Technology companies are committing substantial resources to computing capacity, while investors are assessing future earnings, operating costs and the financial risks associated with rapid expansion.

Strong demand for AI chips has supported semiconductor companies, but market analysts continue to watch valuations and the possibility of volatility if expectations for future growth change.

Why It Matters

Artificial intelligence is becoming an increasingly important driver of global technology investment. Demand for specialised chips and memory could influence semiconductor manufacturers, technology companies and financial markets worldwide.

The latest gains demonstrate the continued enthusiasm surrounding AI infrastructure, although future market performance will depend on corporate results, investment decisions and broader economic conditions.

Sources: Associated Press and Reuters reporting published October 28, 2026.