Market Overview - The main indices showed a decline today, with the Shanghai Composite Index down by 1.18%, the Shenzhen Component Index down by 1.73%, and the ChiNext Index down by 1.66% [1] - Among the Shenwan first-level industries, the computer, communication, and comprehensive sectors performed well, while coal, non-bank financials, and electric equipment lagged behind [1] - Concept sectors showed mixed performance, with continuous boards, board hitting, and anti-cancer concepts performing relatively well, while rare metals, coal mining, and insurance concepts performed poorly [1]