FSS moves to cool single-stock ETF frenzy

South Korea's financial watchdog is preparing to tighten oversight of single-stock leveraged exchange-traded funds tied to Samsung Electronics and SK hynix, amid growing concerns that speculative trading is amplifying volatility in the stock market.

According to industry sources Thursday, the Financial Supervisory Service will meet executives from asset management companies to discuss measures to cool the rapidly growing market.

The talks are expected to focus on additional safeguards for levera ...