The Japanese stock market is experiencing significant downward pressure, with the Nikkei 225 index declining by 4.03% today. Over the past five days, the index has fallen by 6.44%, and it has seen a more substantial drop of 8.24% over the last 30 days. In terms of market performance, the advance-decline ratio indicates a challenging environment, with 803 stocks advancing compared to 2,730 declining, resulting in a ratio of 0.29 across the market. Large-cap stocks show a similar trend, with 69 advancing and 105 declining, yielding a ratio of 0.66. Mid-cap stocks also reflect this struggle, with 96 advancing against 172 declining, resulting in a ratio of 0.56. Small-cap stocks are particularly affected, with 390 advancing and 1,308 declining, leading to a ratio of 0.30. Among individual stocks, Sysmex Corp. emerged as the best performer in the large-cap category, posting a return of 4.96%. Conversely, SCREEN Holdings Co. Ltd. faced the steepest decline at -12.04%. In the mid-cap sector, SHIFT, Inc. led with a return of 9.36%, while SUMCO Corp. fell by 15.17%. Small-cap stocks saw Saizeriya Co., Ltd. rise by 12.09%, while Nippon Chemi-Con Corp. dropped by 12.95%.