The Japanese stock market experienced a downturn today, with the Nikkei 225 index declining by 1.99%. Over the past five days, the index has seen a more significant drop of 2.08%, although it remains up by 5.63% over the last month. In terms of market performance, the advance-decline ratio indicates a challenging environment, with 1,681 stocks advancing compared to 1,846 declining, resulting in a ratio of 0.91 across the market. Large-cap stocks showed a slightly more favorable ratio of 1.14, with 92 advancing and 81 declining. Mid-cap stocks performed even better, with an advance-decline ratio of 1.28, while small-cap stocks had a ratio of 1.13. Among the notable performers, Yamaha Motor Co., Ltd. led the large-cap sector with a return of 13.68%, while TOPPAN Holdings, Inc. faced the steepest decline at -16.6%. In the mid-cap category, Hamamatsu Photonics KK excelled with a return of 23.18%, while SUMCO Corp. struggled with a -9.83% return. The small-cap sector saw CE Holdings Co., Ltd. achieving a remarkable 25.02% return, contrasted by Smart Drive, Inc.'s decline of -23.73%. Overall, the market reflects a mixed performance, with certain sectors and stocks showing resilience amidst broader declines.