Core Points - The Tokyo stock market experienced wide fluctuations on October 30, influenced by the Bank of Japan's decision to maintain interest rates unchanged [1] - The Nikkei 225 index slightly increased, while the Tokyo Stock Exchange Price Index saw a significant rise [1] - The Dow Jones Industrial Average fell due to cautious remarks from Federal Reserve Chairman Jerome Powell regarding potential rate cuts in December [1] Market Performance - The Nikkei index closed at 51,325.61 points, up 17.96 points, marking a new historical closing high with a minimal increase of 0.04% [1] - The Tokyo Stock Exchange index closed at 3,300.79 points, up 22.55 points, reflecting a rise of 0.69% [1] Sector Performance - Over 80% of the 33 industry sectors on the Tokyo Stock Exchange saw gains on October 30 [1] - The sectors with the highest gains included non-ferrous metals, mining, and electric and gas industries [1] - Conversely, the land transport, air transport, and information and communication sectors experienced the largest declines [1]