The Japanese stock market experienced a mixed performance today, with the Nikkei 225 index declining by 0.34%. Over the past week, the index has seen a more significant drop of 3.65%, although it has managed a modest gain of 2.01% over the last 30 days. In terms of market capitalization, large-cap stocks showed a slight edge with an advance-decline ratio of 1.03, as 90 stocks advanced compared to 87 that declined. Mid-cap stocks performed even better, with 158 advancing against 115 declining, resulting in a ratio of 1.37. Conversely, small-cap stocks struggled, with 679 advancing and 1,028 declining, leading to a ratio of 0.66. Among the top performers, AEON Co., Ltd. led large-cap stocks with a return of 4.57%, while Rakuten Bank Ltd. lagged with a decline of 5.27%. In the mid-cap sector, Metaplanet KK achieved a notable return of 10.95%, while SUMCO Corp. fell by 6.26%. Small-cap stocks saw Sun Capital Management Corp. rise by 13.04%, while SERENDIP Holdings Co. Ltd. faced a significant drop of 12.79%. Overall, the market reflects a challenging environment, particularly for small-cap stocks, while large and mid-cap sectors show resilience amidst the fluctuations.