I've seen millions of ETH in Top Accounts By ETH Balance,big wallets at
https://etherscan.io/!
These guys can bring down the ETH price at any time! They did not sell a single ETH from their wallets!.
What do you think?
Yes,
they are people who often get the nickname as "whale".
I've heard that there is a community that often works to "pump and dump". maybe they are the community.
However, we should be aware, that many other ETH holders or coins. which they are trying to become one of the developers of crypto world.