In 2026, popular concept sectors, exemplified by brain-computer interfaces (BCIs), showcased vibrant performance in the A-share market, marked by a steady stream of structural investment opportunities. Initial institutional research for the year revealed that numerous listed companies closely associated with these trendy concepts attracted substantial interest. The research centered on the commercialization trajectory of BCI products and the production capabilities of businesses involved in commercial space rocket structural components. Despite a recent downturn in popular concept sectors due to market fluctuations and adjustments in the A-share market, industry institutions maintain that sectors like BCIs and satellites retain considerable investment potential, propelled by a confluence of favorable factors, including policy support, industry developments, and technological advancements.