Market Overview - The Nikkei share average closed at 44,550.85, down 0.85%, marking its lowest close since September 11, and has lost for four consecutive sessions [1][5] - The broader Topix index fell 1.37% to 3,094.74 [1][5] - A significant sell-off occurred as investors took profits from the recent rally that had boosted the Nikkei [1][2] Company Performance - Tokyo Electron, a chip-making equipment manufacturer, experienced a notable surge of 27.6% in September, its largest monthly gain since February 2024, contributing significantly to the Nikkei's record high last month [3][5] - On the day of the report, Tokyo Electron's stock fell by 2.09%, while SoftBank Group, a technology start-up investor, declined by 2.38%, becoming the largest detractors from the Nikkei [4][5] - Advantest, a chip-testing equipment maker, saw a slight increase of 0.17%, following overnight gains in the U.S. chip index [5] Sector Performance - The Tokyo Stock Exchange's 33 industry sub-indexes saw declines, with the bank index dropping 3.07%, making it the worst-performing sector [5] - Major banks such as Mitsubishi UFJ Financial Group and Mizuho Financial Group fell by 3.17% and 3.83%, respectively [5] - The real estate firm index decreased by 2.83%, while drug manufacturers rose by 0.95%, with Otsuka Holdings and Chugai Pharmaceutical increasing by 5.22% and 3.86%, respectively [5] - Overall, 91% of the 1,600 stocks trading on the TSE's prime market fell, while only 7% rose [5]