广告营销板块9月8日涨0.98%，旗天科技领涨，主力资金净流出1.01亿元

Core Insights - The advertising and marketing sector saw an increase of 0.98% on September 8, with Qitian Technology leading the gains [1] - The Shanghai Composite Index closed at 3826.84, up 0.38%, while the Shenzhen Component Index closed at 12666.84, up 0.61% [1] Stock Performance - Qitian Technology (300061) closed at 13.72, up 6.60% with a trading volume of 586,800 shares and a transaction value of 795 million [1] - Tianlong Group (300063) closed at 9.54, up 5.41% with a trading volume of 868,200 shares and a transaction value of 822 million [1] - Laidao Holdings (000607) closed at 4.96, up 2.69% with a trading volume of 768,500 shares and a transaction value of 378 million [1] - Other notable stocks include Shenguang Group (002400) with a 2.26% increase and a transaction value of 950 million [1] Capital Flow - The advertising and marketing sector experienced a net outflow of 101 million from institutional investors, while retail investors saw a net inflow of 86.9 million [2] - The main capital inflow and outflow for key stocks in the sector indicate varying investor sentiment, with Tianlong Group seeing a net inflow of 95.6 million from institutional investors [3] - Qitian Technology had a net inflow of 61.4 million from institutional investors, despite a net outflow from retail investors [3]