“妖股”直击：雷科防务16天8板，商业航天及卫星应用业务布局引关注，完成尧云科技少数股权收购

Group 1 - The stock has recorded 8 limit-up days in the last 16 trading days, indicating a certain level of market activity [1] - Market focus is on the company's business layout in commercial aerospace and satellite applications, with a self-developed integrated technology system covering the entire industry chain of remote sensing data "satellite-ground-application" [1] - The company has made advancements in cutting-edge technology fields such as millimeter-wave communication [1] Group 2 - The company recently completed the acquisition of minority shares in its subsidiary, YaoYun Technology, to further strengthen integration in the secure storage business [1] - This acquisition was announced to have been completed in November [1] - Trading data shows that the stock price of the company exhibited a pattern of initial decline followed by recovery, ultimately reaching the limit-up price during the morning trading session [1]