There are a lot of tactics to get shares, they can walk the price up to cause selling, then drop it back down due to the sell volume, and knock out stop losses, and cause more people to sell.
If you understand the tactics you can see them performing them. Unfortunately those who understand how this works are handicapped by those who get shaken out or don't understand what is going on.
buy the dips after the rallies, accumulate and hold to sell into the end of the large rallies.
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