航空装备板块2月3日涨4.39%，三角防务领涨，主力资金净流入17.14亿元

Core Viewpoint - The aviation equipment sector experienced a significant increase of 4.39% on February 3, with Triangular Defense leading the gains, reflecting positive market sentiment in this industry [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1]. - Triangular Defense (300775) saw a closing price of 44.13, with a remarkable increase of 17.99%, leading the sector [1]. - Other notable performers included Hangya Technology (688510) with a 14.26% increase, and Parker New Materials (605123) with a 10.00% rise [1]. Group 2: Trading Volume and Value - Triangular Defense had a trading volume of 977,300 shares and a transaction value of 4.047 billion yuan [1]. - The aviation equipment sector recorded a total net inflow of 1.714 billion yuan from main funds, while retail investors saw a net outflow of 377 million yuan [2]. Group 3: Fund Flow Analysis - Triangular Defense had a net inflow of 340 million yuan from main funds, while it experienced a net outflow of 233 million yuan from speculative funds [3]. - Hangfa Control (000738) attracted a net inflow of 308 million yuan from main funds, with a significant net outflow of 158 million yuan from speculative funds [3]. - The overall trend indicates that while main funds are entering the sector, speculative and retail investors are withdrawing [2][3].