The 60-day correlation between the Kospi and Nasdaq 100 recently climbed to about 0.50, its highest level since 2021, according to data provided by Rayliant.

The 60-day correlation between the Kospi and Nasdaq 100 recently climbed to about 0.50, its highest level since 2021, according to data provided by Rayliant.

Another sharp sell-off in AI-related stocks shows the cracks could be worsening in the tech bull market.