航天装备板块1月28日跌3.58%，航天电子领跌，主力资金净流出28.46亿元

Market Performance - The aerospace equipment sector declined by 3.58% on January 28, with Aerospace Electronics leading the drop [1] - The Shanghai Composite Index closed at 4151.24, up 0.27%, while the Shenzhen Component Index closed at 14342.9, up 0.09% [1] Individual Stock Performance - Notable declines in individual stocks include: - Xinyu Guoke (300722) down 1.70% to 33.58 with a trading volume of 50,900 shares and a turnover of 172 million yuan - Hangda HuanYu (688523) down 2.04% to 62.58 with a trading volume of 87,700 shares and a turnover of 548 million yuan - Aerospace Electronics (600879) down 5.53% to 27.35 with a trading volume of 4.236 million shares and a turnover of 11.702 billion yuan [1] Capital Flow Analysis - The aerospace equipment sector experienced a net outflow of 2.846 billion yuan from institutional investors, while retail investors saw a net inflow of 2.701 billion yuan [1] - Specific stock capital flows indicate: - Aerospace Electronics (600879) had a net outflow of 1.257 billion yuan from institutional investors, with a retail net inflow of 1.226 billion yuan [1] ETF Performance - The Aerospace ETF (product code: 159227) tracked the National Aerospace Industry Index and saw a decline of 2.64% over the past five days, with a net subscription of 85.379 million yuan [5] - The General Aviation ETF (product code: 159230) tracked the National General Aviation Industry Index and experienced a decline of 2.52%, with a net redemption of 39.406 million yuan [6]