日本股市暴跌，日经平均股价一度下跌超1200点

Group 1 - The Tokyo stock market experienced a significant drop, with the Nikkei 225 index falling over 1200 points on the morning of November 18 [1][4] - The decline in the stock market is attributed to rising political tensions due to provocative remarks from Japanese officials, leading to investor sell-offs in tourism-related stocks [4] - Experts predict that China's travel warnings could reduce Japanese tourism revenue, negatively impacting Japan's GDP, which has already contracted in the third quarter [4] Group 2 - There are concerns about the deterioration of Sino-Japanese relations affecting trade, with reports indicating a surge in cancellations of bookings in Osaka, a city heavily reliant on Chinese tourists [4] - The local business community in Osaka is worried about the potential long-term economic impact if the current situation persists, especially following the conclusion of the Osaka Expo in October [4] - Joint search and rescue training between South Korea and Japan has been suspended, with calls for Japan to reflect on its actions regarding territorial disputes [5]