Group 1 - The core viewpoint of the articles emphasizes skepticism towards expert predictions and highlights the importance of observing institutional trading behaviors instead [1][9][10] - CFRA Research predicts a potential 9% increase in the S&P 500 over the next 12 months, while U.S. bank strategists warn of bubble risks, showcasing the conflicting views among experts [1][9] - The articles suggest that market pricing power is primarily held by institutions, and their trading actions are more indicative of market trends than expert opinions [3][5][9] Group 2 - The case of "Rongke Technology" illustrates that institutional investors began accumulating shares during a market downturn, indicating potential investment opportunities [5][7] - "Wenyi Technology" serves as another example where institutional trading patterns align with later disclosed data, reinforcing the idea of monitoring institutional behavior [7] - The articles advocate for investors to focus on actual trading data rather than expert forecasts, as institutional movements often provide clearer insights into market dynamics [9][10]