广告营销板块10月30日涨0.84%，蓝色光标领涨，主力资金净流入2.06亿元

Core Insights - The advertising and marketing sector saw an increase of 0.84% on October 30, with BlueFocus leading the gains [1] - The Shanghai Composite Index closed at 3986.9, down 0.73%, while the Shenzhen Component Index closed at 13532.13, down 1.16% [1] Stock Performance - BlueFocus (300058) closed at 6.76, up 8.68% with a trading volume of 5.34 million shares and a transaction value of 3.63 billion [1] - Other notable stocks include: - Focus Media (002027) at 7.78, up 2.10% [1] - ST United (600358) at 5.75, up 1.41% [1] - ST Huayang (603825) at 9.22, up 1.10% [1] - Tianlong Group (300063) at 8.51, up 0.59% [1] Capital Flow - The advertising and marketing sector experienced a net inflow of 206 million in main funds, while retail funds saw a net outflow of 71.74 million [2] - The main fund inflows for key stocks include: - BlueFocus with a net inflow of 340 million [3] - Focus Media with a net inflow of 40.8 million [3] - ST United with a net inflow of 6.92 million [3]