Looking at the big pie from four hours, it rebounded to 27666 and then went back. It didn't even touch 28000, which shows that it is relatively weak. It just retreated to 26850, and then rebounded to around 27000. The integer mark still needs to be fought for. In this period of rebound, as long as the callback does not break 26500 , indicating that we still have a strong counterattack! It is the third platform. If it breaks through, there should be strong support. If it cannot hold up, it means there is no breakthrough. If the breakthrough fails, then continue downward. Now you still need to observe!

Pressure 27500 27900 28200

Support 26500 26200 25800