Overnight high-level fluctuation, started to move slowly downward in the early morning, from a low of 4369 to 4306, closing at 4308.

This morning opened at 4311.
The early opening was just a slight fluctuation, 4306-4290, 4280-4285 are the platforms occupied and stabilized by the bulls during yesterday's early high open and strong rise, followed by an upward move.
Yesterday released a short-term agreement between the US and Iran, a major positive, pushing upward to test the pressure, today may not fill the gap, but will definitely test support downward.
For those holding high-position short orders above, today’s advantage is significant.
The downward move in the early morning has a big impact on bullish sentiment, creating a bad impression of maintaining high-level oscillation and dumping at the end of the session.
From the market to off-site sentiment to capital behavior, today is a mainly downward-oriented situation.
Tomorrow is Wednesday, and Thursday early morning will also feature the Federal Reserve rate meeting and Wosh’s first press conference.
With this kind of news, regardless of the actual situation, the first subconscious thought is to expect a bearish decline.
Focus mainly on the lower levels: 4306-4290, 4280-4285, 4260-4270, 4210-4220.