证券板块10月27日涨1.17%，东兴证券领涨，主力资金净流出18.48亿元

Market Performance - On October 27, the securities sector rose by 1.17%, with Dongxing Securities leading the gains [1] - The Shanghai Composite Index closed at 3996.94, up 1.18%, while the Shenzhen Component Index closed at 13489.4, up 1.51% [1] Individual Stock Performance - Dongxing Securities (601198) closed at 12.74, up 6.61% with a trading volume of 1.86 million shares and a turnover of 2.356 billion [1] - Xiangcai Shares (600095) closed at 13.12, up 5.55% with a trading volume of 1.6562 million shares and a turnover of 2.193 billion [1] - Other notable performers include: - Industrial Securities (601377) at 6.74, up 3.06% [1] - Huatai Securities (601688) at 22.45, up 2.98% [1] - XD Xinda Securities (601059) at 20.03, up 2.72% [1] Capital Flow Analysis - The securities sector experienced a net outflow of 1.848 billion from institutional investors, while retail investors saw a net inflow of 0.886 billion [2] - Notable capital flows include: - Huatai Securities (601688) with a net inflow of 0.323 billion from institutional investors [3] - Guangfa Securities (000776) with a net inflow of 0.275 billion from institutional investors [3] - Xiangxi Shares (600095) with a net inflow of 0.241 billion from institutional investors [3]