Lowest 4370, 4360 basically reached, the next wave is another rebound at 4360-4370, target 4530-4570, specifics depend on the strength of the rebound. If it breaks below 4360, exit the rebound directly. 4530-4570 can short, then 4260-4280, and then reverse to go long. Low point 4160, must not drop below 4100, starting from early next week, it will oscillate and repair before starting the next wave of explosive growth.