Group 1 - The core viewpoint of the news highlights a significant decline in Hong Kong airline stocks, with major players like Air China and China Southern Airlines experiencing notable drops in their stock prices [1] - On November 14, the Chinese Ministry of Foreign Affairs and the Chinese consulate in Japan issued a serious reminder regarding Chinese citizens traveling to Japan, leading to several airlines, including Air China, China Southern Airlines, and China Eastern Airlines, announcing special handling plans for tickets related to Japan routes [1] - The weekly flight volume from mainland China to Japan has significantly decreased, with data showing a total of 1,189 flights in the 45th week (November 3-9), representing a recovery rate of 82.9% compared to the same period in 2019, which is a 14.5% decrease from the 40th week [1] Group 2 - Specific stock performance data indicates that Air China saw a decline of 2.46%, China Southern Airlines dropped by 1.69%, and China Eastern Airlines fell by 0.87% [2] - Other airlines such as Cathay Pacific and Meilan Airport also reported minor declines in their stock prices, with Cathay Pacific down by 0.66% and Meilan Airport down by 0.19% [2] - The overall trend reflects a bearish sentiment in the airline sector, particularly concerning routes to Japan, as indicated by the stock price movements of these companies [2]