South Korea's AI Chip Rally Collapses: Market Plunges 6%

South Korea's stock market experienced a severe selloff on Friday, with the benchmark Kospi index plummeting 6%. This decline occurred shortly after the Kospi briefly surpassed the 8,000 mark for the first time, a new historic high. The market's rapid ascent and subsequent sharp reversal underscored its significant dependence on a few dominant artificial intelligence semiconductor companies.

Leading this concentration were giants Samsung Electronics and SK Hynix, whose advanced memory chips are crucial for global AI infrastructure. Their shares had surged dramatically over the preceding six months, contributing substantially to the Kospi's overall gains. This concentration became a major vulnerability when foreign investors began profit-taking, triggering a broad market downturn.

Further contributing to investor nervousness were ongoing concerns about a labor dispute at Samsung, with potential production disruptions looming. Global factors, including rising oil prices, geopolitical uncertainties in West Asia, and international trade tensions, also weakened investor sentiment. Higher global bond yields added pressure on technology shares worldwide.

Despite the recent volatility, many analysts maintain a positive long-term outlook for the AI-driven semiconductor sector. South Korea is actively positioning itself as a global hub for AI manufacturing, with plans to significantly boost investments in related infrastructure. The market's sharp swings, however, also highlight increasing speculative activity and heightened volatility.