Seoul shares tumble over 4% on tech losses amid lingering AI concerns

South Korean stocks tumbled more than 4 percent Thursday due to losses in tech shares amid lingering concerns over profitability of artificial intelligence spending. The local currency rose against the US dollar. The benchmark Korea Composite Stock Price Index fell 4.58 percent, or 301.88 points, to close at 6,296.38, after falling as low as 6,238.32. The index had risen 1.62 percent and 3.76 percent on Tuesday and Wednesday, respectively, driven by eased concerns over AI profitability. After op