The Japanese stock market experienced a mixed performance today, with the Nikkei 225 index declining by 1.77%. However, over the past 30 days, the index has shown a notable increase of 7.53%. In the large-cap segment, TOPPAN Holdings, Inc. emerged as the top performer, achieving a return of 13.99%, while Ebara Corp. struggled, posting a decline of 13.58%. The mid-cap sector saw GMO Payment Gateway, Inc. leading with a return of 16.66%, contrasted by SENKO Group Holdings Co., Ltd., which fell by 11.51%. Small-cap stocks displayed significant volatility, with Seikoh Giken Co., Ltd. gaining 22.48%, while FRUTA FRUTA, Inc. faced a steep decline of 23.67%. Overall, the advance-decline ratio across the market indicated that 1,396 stocks advanced compared to 2,203 that declined, resulting in a ratio of 0.63. In the large-cap category, the ratio was more favorable at 1.14, with 92 advancing and 81 declining. Conversely, mid-cap and small-cap stocks struggled, with ratios of 0.84 and 0.57, respectively.