The Japanese stock market experienced a downturn today, with the Nikkei 225 index falling by 1.89%. Over the past five days, the index has seen a more significant decline of 3.62%, although it remains up by 2.34% over the last 30 days. In terms of market performance, the advance-decline ratio indicates a challenging environment, with 1,648 stocks advancing compared to 1,822 declining, resulting in a ratio of 0.9 across the market. Large-cap stocks showed a slight edge with 91 advancing against 83 declining, while mid-cap stocks were nearly balanced at 133 advancing and 135 declining. Small-cap stocks fared better, with 889 advancing and 788 declining, yielding a ratio of 1.13. Among the top performers, Mitsubishi Estate Co., Ltd. led large-cap stocks with a return of 5.18%, while Sumitomo Electric Industries Ltd. struggled with a decline of 11.71%. In the mid-cap sector, Kotobuki Spirits Co., Ltd. gained 5.55%, while Taiyo Yuden Co., Ltd. fell by 12.91%. Small-cap stocks saw Speee, Inc. rise by 12.09%, contrasted by Musashi Seimitsu Industry Co., Ltd., which dropped 15.65%.