Market Overview - The military electronics sector experienced a slight decline of 0.17% on August 21, with Kesi Technology leading the drop [1] - The Shanghai Composite Index closed at 3771.1, up 0.13%, while the Shenzhen Component Index closed at 11919.76, down 0.06% [1] Stock Performance - Notable gainers in the military electronics sector included: - Yiyuan Technology (688081) with a closing price of 26.39, up 4.76% on a trading volume of 71,700 shares and a turnover of 184 million [1] - AVIC Chengfei (302132) closed at 90.11, up 2.65% with a trading volume of 298,700 shares and a turnover of 2.664 billion [1] - Conversely, Kesi Technology (688788) saw a significant decline of 6.65%, closing at 72.43 with a trading volume of 105,300 shares and a turnover of 807 million [2] Capital Flow - The military electronics sector experienced a net outflow of 1.649 billion from institutional investors, while retail investors saw a net inflow of 1.052 billion [2][3] - Key stocks with notable capital flows included: - Huafeng Technology (688629) with a net inflow of 147 million from institutional investors, but a net outflow of 36.57 million from retail investors [3] - New Jingang (300629) had a net inflow of 75.999 million from institutional investors, but a significant outflow of 772.579 million from retail investors [3]