18 只科创板股获融资净买入，金额超3000万元

Group 1 - The core point of the article highlights a significant outflow of 3.3 billion yuan from the Science and Technology Innovation Board, indicating deeper market dynamics beyond mere fluctuations [1] - The article emphasizes that while some stocks like Lanke Technology and Trina Solar received substantial net purchases, this may mask underlying risks as institutional investors often exit before news becomes public [3] - It discusses the phenomenon of "news lag," where positive news often coincides with institutional profit-taking, leaving retail investors at a disadvantage [4] Group 2 - The article illustrates the importance of data analysis in understanding market movements, citing a past experience where a stock's price fell despite positive media coverage due to prior institutional selling [5] - It presents a visual representation of institutional fund movements, showing how they strategically reduce activity to capitalize on retail panic selling [7] - The case of Huiwei Technology during the "9.24 market" is used to demonstrate that despite stock volatility, institutional funds remained engaged, contrasting with the fate of Huadong Shares [8] Group 3 - The article points out the behavioral finance concept of "confirmation bias," where investors selectively acknowledge information that aligns with their expectations, underscoring the value of quantitative data in revealing market truths [10] - It concludes by stressing the need for investors to utilize tools that penetrate market illusions, similar to how medical professionals use CT scans for accurate diagnoses, to identify real market trends [11]