If it is a low-volume pull-up, it may be a suction, and you can intervene.
If the volume stagflation at a high level, it is suspected of shipment and can be avoided.
There are many situations, so be flexible.
The stock market is unpredictable and can't be scripted. We should follow the trend and take different measures according to different situations. Don't follow the trend, and don't chase after the ups and downs.