South Korea's stock market hit its largest one-day gain in nearly a month on Tuesday as the United States cut interest rates in hopes of stimulating risk appetite in global financial markets, Internet reported. South Korea's benchmark KOSPI index closed up 50.25 points, or 1.60%, at 3,198.00, its largest percentage gain since July 8. Of a total of 934 stocks traded, 687 rose and 190 fell. The net inflow of foreign capital was 291.9 billion won (US$210.31 million). Analysts at Samsung Securities said the probability of the Federal Reserve cutting interest rates in September was close to 100%, and the market rose. (Jin Shi)