> nearly half of its 880,000 clients who bought Samsung shares were now sitting on losses, while nearly 70 per cent of its 408,000 investors in SK Hynix were also in the red.
> Margin debt, which hit a record Won38.6tn ($27bn) last month as investors borrowed to amplify bets, has dropped to Won33.2tn after a wave of forced liquidations during the recent rout.