Group 1 - The article emphasizes the importance of participating in the A-share market during the calendar rebound window, suggesting a high allocation in both the main board and small-cap sectors [1][4] - The market experienced fluctuations with the CSI 300 index rising by 0.36%, the Shanghai Composite Index by 0.41%, and the CSI 500 index by 1.88% in the last week before the Spring Festival [2] - The U.S. economy is showing signs of recession, with significant data indicating a slowdown in personal consumption and real wages, suggesting a cooling of inflation and a shift away from previous economic overheating [3] Group 2 - The main board's timing strategy suggests increasing positions to a high allocation due to manageable impacts from the U.S. recession on the domestic economy, which has been under pressure for over a year [4] - The small-cap sector is advised to follow the main board with a high allocation, while being cautious of potential risks towards the end of February, indicating a need for timely profit-taking if market conditions change [4] - The short-term momentum model recommends focusing on the media industry as a sector of interest [4]