Core Viewpoint - The A-share market opened higher on August 21, with all three major indices showing positive movement, indicating a bullish sentiment in the market [1] Market Performance - The Shanghai Composite Index rose by 0.12% - The Shenzhen Component Index increased by 0.33% - The ChiNext Index gained 0.28% [1] Sector Performance - The sectors that performed well included digital currency, aquaculture, and diversified finance, which led the gains in the market [1]