Upper Pressure: 4800, 4877, 4900, 4960, 5000
Lower Support: 4660, 4620, 4560, 4500, 4430
Long Strategy: Long position in the range of 4660--4640, add position at 4560, if it breaks below 4500, then stop loss promptly
First Take Profit: 4780
Second Take Profit: 4870
Prevent a large-scale pullback if historical high points are not broken
Short Strategy: Short position at 4800, add position at 4877, if it breaks above 4900, then stop loss
First Take Profit: 4710
Second Take Profit: 4640
Today's market will see fierce battles between bulls and bears. Whether the bears can hold the last line of defense at the historical high and whether the bulls can break through this last obstacle is crucial!