China's A-share market strengthened late on Aug. 17, led by technology shares. The ChiNext Index rose more than 3%, the Shenzhen Component Index gained 2.3%, and the Shanghai Composite Index added 1.3%, while more than 4,200 listed stocks across the market traded higher. Chip stocks were notably strong, with advanced packaging, CPO (co-packaged optics) and optical fiber themes among the top performers. ChangXin Technology recorded turnover of more than 30 billion yuan and surged 10.15%.