The Japanese stock market continues to face significant challenges, with the Nikkei 225 index declining by 4.03% today. Over the past week, the index has seen a steep drop of 6.44%, and it has plummeted 8.24% in the last 30 days, reflecting a broader trend of market weakness. In terms of individual performance, Sysmex Corp. emerged as the top performer among large-cap stocks, posting a return of 4.96%. Conversely, SCREEN Holdings Co. Ltd. struggled, recording a decline of 12.04%. Mid-cap stocks also exhibited mixed results, with SHIFT, Inc. leading with a return of 9.36%, while SUMCO Corp. faced a significant downturn of 15.17%. Small-cap stocks showed a similar pattern, with Saizeriya Co., Ltd. achieving a notable return of 12.09%, while Nippon Chemi-Con Corp. fell by 12.95%. The overall market sentiment is reflected in the advance-decline ratios, with 803 stocks advancing against 2,730 declining, resulting in a ratio of 0.29 across the market. Large-cap stocks showed a slightly better ratio of 0.66, while mid-cap and small-cap stocks reported ratios of 0.56 and 0.30, respectively. This data underscores the prevailing bearish sentiment in the Japanese equity market.