Most of the long positions were reduced around 3030,

Remaining positions set with take-profit and stop-loss above 2970, targeting 3100.
Tonight early morning, there will be a Federal Reserve meeting decision.
For those holding long positions, continue to hold; for those without positions, trade cautiously.
Short-term trading difficulty increases, it is recommended to watch more and act less.
Extreme market conditions may occur, with upside targets from 3100 to 3250.
Support levels are around 2800 below.