South Korean stocks bounced back Wednesday from the previous day's rout, while the rest of Asia fought to recover from a region-wide sell-off amid lingering concern about the AI spending boom.

Samsung and SK Hynix shed more than 12 per cent each, triggering an automatic 20-minute bourse-wide trading halt in the afternoon.

Asian markets saw a cautious rebound Wednesday after a significant tech-led global selloff, reigniting worries about the AI rally's sustainability. South Korea's Kospi surged, led…