Market Performance - The Shanghai Composite Index continued its upward trend, closing up 0.33% at 3609.71 points, while the Shenzhen Component Index rose 0.64% to 11289.41 points, and the ChiNext Index increased by 1.86% to 2406.59 points [1] - The total trading volume in the Shanghai and Shenzhen markets reached 180.32 billion yuan, an increase of 60.9 billion yuan compared to the previous day [1] Sector Highlights - The technology growth sector performed exceptionally well, with significant gains in areas such as innovative drugs, PCB, CXO, and CPO [1] - The brokerage sector is experiencing a slow bull market [1] Competition Insights - The ongoing "掘金大赛" (Gold Digging Competition) has attracted many participants who are seizing market opportunities [1] - The competition allows participants to simulate stock trading with a virtual capital of 500,000 yuan, running from July 21 to July 31 [3] Participant Benefits - Participants in the competition receive various benefits, including free access to the "火线快评" (Fire Line Quick Review) for five days upon successful registration [6][10] - Top performers in each competition round receive additional rewards, including cash prizes and extended access to the "火线快评" [6][10] Investment Strategies - Participants are advised to focus on holding stocks during significant market movements rather than frequently trading [7] - There are two prevailing profit models in the A-share market: one driven by trading sentiment and the other based on fundamental logic supported by performance [7]

Market Overview - The A-share market experienced a strong rally this week, with the North Securities 50 index leading the major broad-based indices with a weekly increase of 6.84% [3] - Major indices saw comprehensive gains, with the Shanghai Composite Index rising by 1.91%, the CSI 300 by 1.95%, and the ChiNext Index by 5.69% [4] Trading Sentiment - The market's strong rise was accompanied by a steady increase in trading volume, indicating improved liquidity [3] - The volume timing indicator for the North Securities 50 remains cautious, while other major indices have shifted to a bullish signal [3] Fund Flow - ETF funds showed signs of profit-taking, with an overall net outflow from equity ETFs, particularly in the Sci-Tech Innovation Board and small-cap stocks [3] - Southbound capital saw a net inflow of 28.381 billion HKD, with the Shanghai Stock Connect contributing 13.489 billion HKD and the Shenzhen Stock Connect 14.892 billion HKD [10] Valuation Metrics - As of June 27, 2025, broad-based indices such as the Shanghai Composite, CSI 300, CSI 500, and CSI 1000 are at "moderate" valuation percentiles, while the ChiNext Index is at a "safe" valuation percentile [5] - In terms of sector valuation, industries like electricity and public utilities, home appliances, food and beverage, agriculture, non-bank financials, and transportation are classified as "safe" [6] Volatility Analysis - The cross-sectional volatility of the CSI 300 and CSI 500 index constituents increased week-on-week, indicating an improved short-term Alpha environment [7] - Conversely, the cross-sectional volatility of the CSI 1000 index constituents decreased, suggesting a weakening short-term Alpha environment [7] Institutional Focus - The top five stocks attracting the most institutional attention this week were Huichuan Technology (151 institutions), Weigao Medical (144), Jingbeifang (79), AVIC Chengfei (66), and Cangge Mining (64) [9]