Sydney investors are using crypto-trading apps to buy and sell Korean stocks amid a leverage-fuelled sharemarket boom that has sent volatility through the roof.

South Korea's 2x leveraged ETFs tracking Samsung and SK Hynix crashed over 20% in one day, erasing $1.7 billion in retail investor wealth within two weeks.

Surging trading in South Korea's single-stock leveraged exchange-traded funds tracking Samsung Electronics and SK hynix is raising concerns that the products ar

Discover how leveraged ETFs are fueling the AI rally and impacting market volatility, particularly in South Korea's semiconductor sector.