刚刚，集体飙涨！

Market Overview - On October 15, the A-share market opened slightly higher, initially dipped into the red, and then quickly rebounded, with all three major indices turning positive by the time of reporting [1] - The Hong Kong stock market also opened collectively higher, with all three indices rising over 1% [2] Industry Performance - The retail, beauty care, building materials, and non-ferrous metals sectors saw collective gains, while e-commerce, cement manufacturing, and cybersecurity stocks were active [2] - The defense and military sector underperformed, with stocks related to photolithography and photovoltaic inverters declining [2][8] Notable Stocks - In the building materials sector, stocks like Yao Pi Glass and Jianlang Hardware experienced significant gains, with Yao Pi Glass rising by 9.98% [5] - The non-ferrous metals sector remained active, with stocks such as Shenghe Resources and Zhao Jin Gold seeing notable increases, including Shenghe Resources hitting the daily limit with a 10% rise [4][3] Software Sector Activity - The domestic software sector was active, with stocks like Jiuqi Software and Geer Software reaching their daily limits, both increasing by around 10% [6][7] Defense and Photolithography Sector Decline - The defense and military sector saw significant declines, with North China Long Dragon dropping over 10% and several other stocks experiencing substantial losses [8][9] - Photolithography-related stocks collectively fell, with companies like Xinlai Materials and Aopu Optoelectronics seeing declines of over 10% [10] Company Investigation - Ruiyi Group's stock hit the daily limit down, falling by 9.98% to 5.23 yuan per share after the company announced it received a notice from the China Securities Regulatory Commission regarding an investigation for suspected information disclosure violations [12]