Group 1 - The A-share market opened with mixed results, with the Shanghai Composite Index down by 0.08% [1] - The Shenzhen Component Index increased by 0.14% [1] - The ChiNext Index rose by 0.22% [1] Group 2 - The PEEK materials, AI glasses, and oil processing trade sectors showed significant gains [1] - The insurance, Hainan, and electric power sectors were among the biggest losers [1]