深地经济板块12月16日跌2.78%，黄河旋风领跌，主力资金净流出4.92亿元

Core Viewpoint - The deep earth economy sector experienced a decline of 2.78% on December 16, with Huanghe Xuanfeng leading the drop [1] Group 1: Market Performance - The Shanghai Composite Index closed at 3824.81, down 1.11% [1] - The Shenzhen Component Index closed at 12914.67, down 1.51% [1] Group 2: Capital Flow - The deep earth economy sector saw a net outflow of 492 million yuan from main funds, while retail investors contributed a net inflow of 445 million yuan [1] - Speculative funds recorded a net inflow of 46.84 million yuan [1]