We usually say that so-and-so shares fell because of the main departure, which means that large households headed by funds sold their positions.
In reality, only funds have the ability to act as the main force.
1。 They have an absolute advantage in the amount of funds.
2。 They have more professional knowledge.
3。 They can get first-hand information and even inside information more easily.
These advantages are their swords to shake the stock market.