The Japanese stock market experienced a downturn today, with the Nikkei 225 index declining by 0.88%. Over the past week, the index has seen a more significant drop of 2.91%, although it remains up 9.21% over the last 30 days. In terms of market performance across different capitalizations, the advance-decline ratio indicates a challenging environment, with 1,648 stocks advancing compared to 1,777 declining, resulting in an overall ratio of 0.93. Large-cap stocks faced particular difficulties, with only 72 advancing against 101 declining, yielding a ratio of 0.71. Mid-cap stocks fared slightly better, with 125 advancing and 141 declining, while small-cap stocks showed a similar trend with 773 advancing and 886 declining. Among individual stocks, Panasonic Holdings Corp. emerged as the top performer in the large-cap category, posting a return of 5.3%. In contrast, T&D Holdings, Inc. was the worst performer, down 5.74%. Sharp Corp. led mid-cap stocks with a return of 15.14%, while MITSUI-SOKO HOLDINGS Co., Ltd. fell by 5.47%. In the small-cap sector, Japan Display, Inc. excelled with a return of 22.45%, while M&A Research Institute Holdings, Inc. struggled, declining by 11.18%.