收评：创业板指跌1.4%，半导体等板块走低，钙钛矿电池概念等活跃

Market Overview - The stock indices in the two markets experienced a downward trend, with the Shanghai Composite Index barely holding above 3400 points, while the Shenzhen Component Index and ChiNext Index fell over 1% [1] - As of the market close, the Shanghai Composite Index decreased by 0.39% to 4002.76 points, the Shenzhen Component Index fell by 1.03% to 13289 points, and the ChiNext Index dropped by 1.4% to 3134.32 points, with the STAR 50 Index down by 1.42% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 20,141 billion yuan [1] Sector Performance - Sectors such as insurance, brokerage, and semiconductors saw declines, while food and beverage, retail, real estate, agriculture, and pharmaceuticals showed strength [1] - Concepts related to cultivated diamonds, perovskite batteries, and lithium batteries were active in the market [1] Investment Outlook - According to Starstone Investment, the domestic market is entering a period of performance, policy, and macro event lull, with stable expectations for economic performance for the year [1] - As the year-end approaches, some funds may seek to preserve returns, leading to an overall market that may remain volatile, with fundamental factors potentially having a reduced impact on market structure [1] - In the medium to long term, the current market risk premium is at a historical median level, and equity asset valuations remain within a reasonable range [1] - Corporate profit bottoms have been confirmed, and with policy support driving economic stabilization, the expected profit-driven growth is likely to strengthen, transitioning the market from valuation-driven to fundamental-driven, thus opening further upside potential [1]