The Japanese stock market experienced a notable downturn today, with the Nikkei 225 index declining by 2.79%. Over the past five days, the index has seen a decrease of 2.51%, and it has fallen by 3.7% over the last month, reflecting a challenging environment for investors. In terms of market performance, the advance-decline ratio indicates that 1,123 stocks advanced while 2,320 declined, resulting in an overall ratio of 0.48x. Large-cap stocks showed a similar trend, with 74 advancing and 98 declining, yielding a ratio of 0.76x. Mid-cap stocks fared slightly worse, with 92 advancing against 176 declining, resulting in a ratio of 0.52x. Small-cap stocks struggled the most, with 467 advancing and 1,198 declining, leading to a ratio of 0.39x. Among individual stocks, BayCurrent Consulting, Inc. emerged as the best performer in the large-cap category with a return of 5.83%. Conversely, Murata Manufacturing Co. Ltd. was the worst performer, down by 7.69%. In the mid-cap sector, Mitsubishi Motors Corp. led with a return of 6.43%, while IBIDEN Co., Ltd. faced a decline of 10.01%. The small-cap segment saw YE Digital Corp. rise by 18.12%, while IG Port, Inc. suffered a significant drop of 22.57%.