The Japanese stock market experienced a notable downturn today, with the Nikkei 225 index declining by 1.04%. Over the past week, the index has fallen by 2.1%, and it has seen a significant drop of 5.53% over the last 30 days, reflecting ongoing market challenges. In terms of market performance, the advance-decline ratio indicates a stark imbalance, with 521 stocks advancing compared to 3,101 declining, resulting in an overall ratio of 0.17x. Large-cap stocks showed a similar trend, with only 35 advancing against 139 declining, yielding a ratio of 0.25x. Mid-cap and small-cap stocks also faced difficulties, with ratios of 0.08x for both categories. Among the large-cap stocks, Shin-Etsu Chemical Co., Ltd. emerged as the best performer with a return of 4.08%, while Japan Exchange Group, Inc. struggled, posting a return of -5.58%. In the mid-cap sector, Sinfonia Technology Co., Ltd. led with an 8.05% return, while ANYCOLOR, Inc. fell by 15.5%. Small-cap stocks saw OAT Agrio Co., Ltd. gain 13.24%, contrasting sharply with Japan Display, Inc., which plummeted by 25.47%.