Group 1 - The Nikkei 225 index reached a historical high, rising 0.95% to 43,789.19 points, while the Tokyo Stock Exchange index also hit a record high, increasing 0.68% to 3,128.89 points [1] - The rebound in the Japanese stock market is attributed to renewed optimism regarding domestic companies' prospects as the impact of U.S. tariffs becomes clearer, alongside a weaker yen benefiting export-oriented stocks, particularly in the automotive sector [3] - Fast Retailing, the parent company of Uniqlo, saw a 1.44% increase, making it the largest contributor to the Nikkei index's rise [3] Group 2 - Major automotive stocks, including Toyota and Honda, experienced collective gains, with Toyota rising 1.58% and Honda increasing 1.22% [4] - The yen depreciated by 0.2% against the dollar, which typically boosts the stock prices of companies reliant on export revenues, as it enhances the value of overseas profits when converted back to yen [5] - Conversely, Japanese bank stocks faced declines, with the banking sector index dropping 1.45%, marking it as the largest declining sector on the Tokyo Stock Exchange, highlighted by Mitsubishi UFJ Financial Group falling 1.96% and Sumitomo Mitsui Financial Group decreasing 1.78% [5]