Leveraged 2x ETFs sold $6 billion of Samsung and SK Hynix shares in a single day to reset leverage, making up 14% of daily volume and rattling Korea's KOSPI

South Korean regulators move to curb risks from leveraged Samsung and SK Hynix ETFs that now drive over 30% of daily trading volume in both chipmakers.

Leveraged 2x ETFs sold $6 billion of Samsung and SK Hynix shares in a single day to reset leverage, making up 14% of daily volume and rattling Korea's KOSPI