贸易板块12月17日涨1.09%，南京商旅领涨，主力资金净流入1.03亿元

Core Viewpoint - The trade sector experienced a notable increase, with the Shanghai Composite Index rising by 1.19% and the Shenzhen Component Index increasing by 2.4% on December 17 [1][2]. Group 1: Market Performance - The trade sector rose by 1.09% compared to the previous trading day, with Nanjing Commercial Travel leading the gains [1]. - The Shanghai Composite Index closed at 3870.28, marking an increase of 1.19% [1]. - The Shenzhen Component Index closed at 13224.51, reflecting a rise of 2.4% [1]. Group 2: Capital Flow - The trade sector saw a net inflow of 1.03 billion yuan from main funds, while retail funds experienced a net outflow of 1.11 billion yuan [2]. - Retail investors contributed a net inflow of 793.74 million yuan to the trade sector [2].