Market Overview - The Tokyo stock market experienced significant declines on December 5, with the Nikkei 225 index and the Tokyo Stock Exchange index both falling by 1.05% [1][2] - The Nikkei index closed down 536.55 points at 50,491.87 points, while the Tokyo Stock Exchange index fell 35.65 points to 3,362.56 points [2] Investor Behavior - There was a noticeable increase in profit-taking activities among investors, following a significant rise in the previous trading day and a lackluster performance in the overnight New York stock market [1] - The market opened lower and remained at low levels throughout the day, indicating a shift in investor sentiment [1] Interest Rates Impact - The rise in the yield of Japan's 10-year government bonds, reaching its highest level since July 2007, has heightened investor concerns about the short-term overheating of the stock market [1] Sector Performance - Most of the 33 industry sectors on the Tokyo Stock Exchange experienced declines, with rubber products, other products, and securities and commodity futures trading sectors showing the largest drops [2] - Only four sectors, including non-ferrous metals, information and communication, banking, and petroleum and coal products, managed to record gains [2] Notable Companies - Key companies such as Fast Retailing (the parent company of Uniqlo), Tokyo Electron, and Advantest saw significant declines in their stock prices [1]

Market Overview - Tokyo stock market indices opened significantly higher, with the Nikkei index rising over 700 points in early trading [2] - By the end of the trading session, the Nikkei index increased by 1603.35 points, closing at 49185.50 points, while the Topix index rose by 78.01 points, closing at 3248.45 points [2] Sector Performance - All 33 industry sectors on the Tokyo Stock Exchange experienced gains, with the banking, information and communication, and electrical products sectors leading the upward trend [2]

Core Viewpoint - The Tokyo stock market experienced a significant rebound on October 20, with the Nikkei 225 index closing above 49,000 points for the first time, driven by investor optimism regarding the election of Fumio Kishida as Japan's Prime Minister and a decrease in credit crisis risks in the U.S. financial markets [1][2]. Market Performance - The Nikkei 225 index rose by 1,603.35 points, closing at 49,185.50 points, while the Tokyo Stock Exchange index increased by 78.01 points, finishing at 3,248.45 points [2]. Sector Performance - All 33 industry sectors on the Tokyo Stock Exchange saw gains, with the banking, information and communication, and electrical products sectors leading the upward trend [3].