The Japanese stock market showed robust performance today, with the Nikkei 225 index rising by 2.12%. Over the past week, the index has gained 6.31%, and in the last 30 days, it has surged by 16.64%. This upward trend reflects a strong market sentiment, as evidenced by the advance-decline ratio across all market capitalizations, where 1,982 stocks advanced compared to 1,574 that declined, resulting in a ratio of 1.26. In the large-cap segment, KONAMI Group Corp. emerged as the top performer with a return of 16.81%, while Oriental Land Co., Ltd. faced challenges, recording a decline of 9.96%. Mid-cap stocks saw Socionext, Inc. leading with a return of 16.72%, while DMG MORI CO., LTD. struggled with a significant drop of 21.36%. Among small-cap stocks, BrainPad, Inc. excelled with a return of 21.79%, contrasting with Japan Aviation Electronics Industry Ltd., which fell by 17.81%. Overall, the market's positive momentum is indicative of investor confidence, as a majority of stocks across various capitalizations are advancing.