军工电子板块12月30日跌0.33%，天箭科技领跌，主力资金净流出37.74亿元

Market Overview - The military electronics sector experienced a decline of 0.33% on December 30, with Tianjian Technology leading the drop [1] - The Shanghai Composite Index closed at 3965.12, showing no change, while the Shenzhen Component Index rose by 0.49% to 13604.07 [1] Stock Performance - Notable gainers in the military electronics sector included: - Hezhong Sijuan (002383) with a closing price of 13.27, up 10.03% [1] - Leike Defense (002413) also increased by 10.03% to 11.41 [1] - Zhenxin Technology (300101) rose by 8.39% to 27.78 [1] - Other significant performers included: - Xingtuxinke (688081) up 6.38% to 35.51 [1] - Guoke Tianceng (301571) increased by 4.95% to 55.30 [1] Capital Flow - The military electronics sector saw a net outflow of 3.774 billion yuan from institutional investors, while retail investors contributed a net inflow of 2.753 billion yuan [2] - The sector's overall capital flow indicates a mixed sentiment, with retail investors showing stronger interest compared to institutional investors [2] Individual Stock Capital Flow - Hezhong Sijuan (002383) had a net inflow of 280 million yuan from institutional investors, but a net outflow of 122 million yuan from speculative funds [3] - Zhenxin Technology (300101) experienced a net inflow of 136 million yuan from institutional investors, while speculative and retail investors showed net outflows [3] - Other stocks like Xingtuxinke (688081) and Guoke Tianceng (301571) also reflected similar trends with varying degrees of net inflows and outflows across different investor types [3]