I think the main reason is Coinbase being sued by the SEC without giving any reason. The CEO of Coinbase was extremely confused.

https://blog.coinbase.com/the-sec-has-told-us-it-wants-to-sue-us-over-lend-we-have-no-idea-why-a3a1b6507009

Some forces may be trying to sabotage the market as the bad news comes as soon as the good news is El Salvador buying Bitcoin.
Bitcoin chart showing a trend break right at the resistance/support area.