港口航运板块早盘集体调整，南京港跌超8%

Core Viewpoint - The port and shipping sector experienced a collective decline in early trading, with significant drops in stock prices for various companies [1] Group 1: Company Performance - Nanjing Port saw a decline of over 8% [1] - Ningbo Maritime dropped more than 6% [1] - Other companies such as Ningbo Ocean, Lianyungang, and China Merchants Energy also faced declines [1]