午评：抛压已经开始显现，主要的抛压或会体现在午后

Group 1 - The market showed mixed performance with individual stocks fluctuating, indicating a lack of clear direction [2] - The key support levels are identified at 4113-4045, which should not be breached to maintain market stability [2] - The next critical time point for the market is Friday, with a focus on observing selling pressure [2] Group 2 - The short-term technical outlook suggests that the market needs to stay above 4116 to maintain a bullish sentiment [3] - Key resistance levels are set between 4111-4046, with the upper boundary needing to hold for a strong market [3] - The mid to long-term outlook indicates that maintaining levels above 4120-4145 is crucial for sustaining a bullish trend [3]