广告营销板块10月16日跌2.32%，分众传媒领跌，主力资金净流出6.84亿元

Core Insights - The advertising and marketing sector experienced a decline of 2.32% on October 16, with Focus Media leading the drop [1] - The Shanghai Composite Index closed at 3916.23, up 0.1%, while the Shenzhen Component Index closed at 13086.41, down 0.25% [1] Stock Performance - Focus Media (002027) closed at 7.53, down 3.21%, with a trading volume of 1.65 million shares and a transaction value of 1.256 billion yuan [2] - Other notable stocks in the advertising sector included: - ST United (600358) closed at 5.61, up 1.08% [1] - Zhejiang Wenlian (600986) closed at 8.05, down 0.12% [1] - Jia Yun Technology (300242) closed at 4.08, down 0.24% [1] Capital Flow - The advertising marketing sector saw a net outflow of 684 million yuan from institutional investors, while retail investors contributed a net inflow of 581 million yuan [2] - The capital flow for specific stocks included: - Zhejiang Wenlian had a net inflow of 15.78 million yuan from institutional investors [3] - ST Huayang experienced a significant net outflow of 5.18 million yuan from institutional investors [3]