Market Overview - The Shanghai Composite Index fell by 0.46% on March 31, with four sectors rising, led by telecommunications and home appliances, which increased by 0.58% and 0.37% respectively [1] - The sectors with the largest declines were electric power equipment and national defense industry, which dropped by 1.94% and 1.81% respectively [1] - Overall, there was a net outflow of 40.409 billion yuan in the main funds across the two markets, with five sectors experiencing net inflows [1] Sector Performance - The public utilities sector had the largest net inflow of funds, totaling 311 million yuan, while it rose by 0.15% [1] - The steel sector also saw a net inflow of 283 million yuan despite a decline of 1.45% [1] - A total of 26 sectors experienced net outflows, with electric power equipment leading at 5.832 billion yuan, followed by machinery equipment with 5.311 billion yuan [1] National Defense Industry - The national defense industry saw a decline of 1.81% with a net outflow of 2.175 billion yuan [2] - Out of 139 stocks in this sector, 22 rose while 115 fell, including one stock that hit the daily limit down [2] - The top three stocks with net inflows were Yaxing Anchor Chain (22.978 million yuan), Zhongke Haixun (21.664 million yuan), and Aopu Optoelectronics (15.279 million yuan) [2] National Defense Industry Outflows - The top three stocks with the largest net outflows were Guangqi Technology (-24.526 million yuan), Jingjiawei (-13.736 million yuan), and Tianhai Defense (-13.063 million yuan) [4] - Other notable outflows included China Shipbuilding (-8.134 million yuan) and AVIC Heavy Machinery (-9.586 million yuan) [4]