The Japanese stock market experienced a mixed day, with the Nikkei 225 index declining by 1.21%. However, over the past 30 days, the index has shown a notable increase of 6.34%. In the large-cap sector, Sanrio Co., Ltd. emerged as the top performer, delivering a return of 14.69%. Conversely, Sysmex Corp. struggled, recording a significant decline of 17.87%. The mid-cap segment saw Lion Corp. leading with an 8.62% return, while GMO Internet Group, Inc. faced challenges with a drop of 14.09%. Among small-cap stocks, Alleanza Holdings Co., Ltd. stood out with a remarkable return of 20.63%, while Lifedrink Co., Inc. faced the steepest decline at 24.95%. Overall, the advance-decline ratio across the market indicated that 827 stocks advanced compared to 2,817 that declined, resulting in a ratio of 0.29. In the large-cap category, 54 stocks advanced against 123 that declined, yielding a ratio of 0.44. Mid-cap stocks showed a ratio of 0.25, with 54 advancing and 216 declining, while small-cap stocks had a ratio of 0.22, with 321 advancing and 1,432 declining.