South Korea's Kospi hits record 8,000 in 7 sessions; foreigners pulling capital

South Korea's Kospi benchmark index briefly breached the 8,000 mark for the first time on Friday, capping a stunning seven-session rally from 7,000 that captured retail attention and headlines. However, this headline-grabbing milestone was met with an immediate and aggressive sell-off by foreign investors, a technical and sentiment divergence that suggests profit-taking and concern about stretched valuations.

The context is crucial: Korea's stock market has become the world's hottest performer year-to-date, driven by enthusiasm for semiconductor companies (Samsung, SK Hynix) and AI infrastructure exposure. The rapid acceleration, a 1,000-point move in one week, attracted retail interest and media coverage, classic markers of late-cycle momentumThe empirical fact that winners keep winning over the medium term.. Simultaneously, global institutional funds reduced their positions after months of accumulation, a reversal that typically precedes corrections.

Morgan Stanley had revised up its Taiwan targets for AI exposure, positioning the island as a more "pure-play" AI buildout beneficiary compared to Korea's more diversified economy. This reallocation from Korea to Taiwan reflects profit-taking in the mature rally and rotation toward what strategists view as a better AI play. The Kospi's valuation, while reasonable in absolute terms, has compressed the margin of safety relative to developed markets, particularly as US rate-cut expectations have been pushed back due to inflationThe rate at which prices rise across an economy. fears.

The risk is that foreign outflows accelerate if Korea's economic data disappoints or if semiconductor cyclicals roll over on capex slowdown concerns. Domestically, retail investors could remain aggressive, but their buying power cannot offset institutional exit flows indefinitely. A break below 7,500 could trigger cascading stop-losses and validate the foreign selling as prescient rather than premature.