A股彰显韧性，A500ETF基金（512050）盘中强势翻红，东山精密涨超9%

Group 1 - The A-share market is experiencing a pullback, with sectors like computers and retail leading the decline, while the A500 ETF fund shows resilience with a 1.47% increase in the first half of the year [1][2] - Guosheng Securities suggests that the second half of the year may not see strong stimulus policies, focusing instead on implementation and incremental policy reserves, emphasizing stability in employment, livelihood, consumption, real estate, and markets [1] - The A500 ETF fund (512050) is gaining traction as active equity funds shift from traditional indices like CSI 300 to emerging indices like CSI A500, indicating the quality of the A500's composition [2] Group 2 - The A500 ETF fund employs a dual strategy of industry-balanced allocation and leading company selection, covering all sectors and integrating value and growth attributes, with a natural "dumbbell" investment characteristic [2] - Compared to the CSI 300, the A500 ETF fund has a higher allocation in emerging productivity sectors such as electronics, pharmaceuticals, and power equipment [2]