技术看市：沪指15连阳释放重要信号，市场进入良性循环，谨防部分指数顶部结构

Group 1 - The A-share market experienced a slight decline after a 15-day consecutive rise, with the Shanghai Composite Index down 0.07% to 4082.98 points, and the Shenzhen Component Index down 0.51% [1] - The total trading volume in the Shanghai and Shenzhen markets was 2.80 trillion yuan, a decrease of approximately 538.34 billion yuan compared to the previous trading day, with a net outflow of 536.40 billion yuan from major funds [1] - Among the sectors, aerospace and aviation saw a net inflow of 46.53 billion yuan, while communication equipment experienced the largest net outflow of 95.05 billion yuan [1] Group 2 - Key sectors that saw significant gains included space computing power, shipbuilding, phased array antennas, deep-sea technology, and low-orbit satellites, while silver, energy metals, tungsten, insurance, and brokerage firms faced notable declines [7] - Market expert Xu Xiaoming noted that the consecutive rise of the Shanghai Composite Index is a record not seen in many years, although the overall increase is modest [8] - Xu highlighted that there is a divergence among the indices, indicating a potential top structure, with the Shanghai Composite, CSI 500, and Shanghai 50 showing signs of stabilization, while the Shenzhen Component, ChiNext, and CSI 300 indices still exhibit significant divergence [8]