Woofun AI reports that Mitsubishi UFJ Financial Group has become the highest-valued company in Japan by market capitalization. Shares rose 2.3% on Monday to 3,541 yen, pushing the bank's market value to 42 trillion yen ($259 billion). This figure exceeds Toyota Motor's approximately 41 trillion yen and Kioxia Holdings' roughly 36.7 trillion yen. It marks the first time a Japanese bank has held the top spot since the current "Big Three banking groups" structure was established.