The best breakdown is not succinct, but comes through the mailing list / column Money Stuff by Matt Levine. He's done three days of coverage of the various aspects of this as it's progressed.

It's not a short read, but is very easy to follow. I highly suggest subscribing!

[1] First day: https://www.bloomberg.com/opinion/articles/2021-01-25/the-ga...

[2] Second day: https://www.bloomberg.com/opinion/articles/2021-01-26/will-w...

[3] Today: https://www.bloomberg.com/opinion/articles/2021-01-27/reddit...