The Japanese stock market experienced a notable downturn today, with the Nikkei 225 index declining by 3.22%. Over the past five days, the index has seen a more significant drop of 5.03%, although it remains up by 2.36% over the last 30 days. In terms of market performance, the advance-decline ratio indicates a challenging environment, with 548 stocks advancing compared to 3,084 declining, resulting in a ratio of 0.18 across the market. Large-cap stocks fared particularly poorly, with only 18 advancing against 158 declining, yielding a ratio of 0.11. Mid-cap stocks showed a similar trend, with 30 advancing and 243 declining (0.12 ratio), while small-cap stocks had 238 advancing versus 1,522 declining, resulting in a ratio of 0.16. Among individual stocks, Pan Pacific International Holdings Corp. emerged as the best performer in the large-cap category with a return of 1.76%. Conversely, Fujikura Ltd. was the worst performer, down by 9.9%. In the mid-cap sector, Sugi Holdings Co., Ltd. led with a return of 4.11%, while Metaplanet KK fell by 11.75%. Small-cap stocks saw CrowdWorks, Inc. rise by 15.27%, while FRUTA FRUTA, Inc. dropped by 12.41%.