一国际航班空中起火，原因通报

Group 1 - A flight from Hangzhou to South Korea experienced an emergency landing in Shanghai due to a lithium battery fire in the overhead compartment, with no injuries reported [1] - The incident occurred on October 18, with the flight CA139 operated by Air China, which promptly followed safety protocols [1] - Air China has arranged for another aircraft to continue the flight's mission after the emergency landing [1] Group 2 - The China Securities Regulatory Commission (CSRC) has recently named three delisted companies within four days, indicating a significant regulatory signal [1] - The gold price in Shenzhen's Shui Bei district has surpassed 1000 yuan per gram, reflecting market trends [1]