Leading US indices surged on Friday, propelled by a surge in semiconductor stocks inspired by South Korea’s KOSPI index rebounding sharply after a severe selloff. The rally highlights how closely global markets are tied to the AI investment boom.
South Korean chipmakers Samsung Electronics and SK Hynix recently reported record profits, fueled by soaring demand for AI-related memory chips. This momentum spread across the Pacific, lifting US chip companies like Micron and AMD, pushing the Nasdaq, S&P 500, and even the Dow Jones Industrial Average higher.
South Korea’s volatile rebound
The KOSPI had a tumultuous run, plunging as much as 12.6% during a recent session and closing down 6%, erasing nearly 40% of its value since a June peak. Despite that, the index remains up about 34% for the year, reflecting the intense swings tied to AI-driven market sentiment.
Investors are closely watching big tech earnings for clues about ongoing AI capital expenditures. Each confirmation from giants like Microsoft or Meta sends ripples through the semiconductor supply chain, impacting companies from TSMC in Taiwan to SK Hynix and Micron.
This concentrated rally means US stock indices are increasingly dependent on continued AI spending growth, raising concerns about exposure to a single market driver.
This material is for informational purposes and should not be considered financial advice.
