关键帮手出现，日本首位女性首相，稳了？日本股市飙升，再创新高

Group 1 - The core point of the article is the substantial agreement reached between Japan's ruling Liberal Democratic Party (LDP) led by Sanna Takichi and the Japan Innovation Party represented by Hirofumi Yoshimura regarding a coalition government, with a formal signing of the agreement expected on October 20, 2025 [1][3]. - The LDP holds 196 seats in the House of Representatives out of 465, while the Japan Innovation Party has 35 seats. In the House of Councillors, the LDP has 100 out of 248 seats, and the Japan Innovation Party has 19 seats. This coalition will secure a majority in both houses of the National Diet, ensuring Takichi's victory even in a potential second round of voting [3][4]. - Sanna Takichi is poised to become Japan's 104th Prime Minister and the first female Prime Minister in Japanese history, having been elected as the LDP president on October 4, 2025 [4]. Group 2 - Takichi's economic policies are expected to focus on expanding fiscal stimulus and easing monetary policy, which may boost market confidence and drive up risk asset prices in the short term [4]. - Following the announcement of Takichi's leadership, the Nikkei 225 index rose by 1,603.35 points, a 3.37% increase, closing at 49,185.5 points, marking a new historical high. The Topix index also increased by 78.01 points, or 2.46%, closing at 3,248.45 points [4]. - Notable stock performances included Kioxia Holdings surging by 9.0%, SoftBank Group climbing by 8.5%, and Yaskawa Electric rising by 7.2% [4].