航运港口板块12月19日涨0.04%，海峡股份领涨，主力资金净流出2.34亿元

Group 1 - The shipping and port sector increased by 0.04% compared to the previous trading day, with Haixia Co. leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up by 0.36%, while the Shenzhen Component Index closed at 13140.22, up by 0.66% [1] Group 2 - The shipping and port sector experienced a net outflow of 234 million yuan from main funds, while retail funds saw a net inflow of 148 million yuan [2] - Speculative funds had a net inflow of 85.49 million yuan into the shipping and port sector [2]