TL;DR - China happened and exhausted our already dwindling bullish momentum, so we didn't have enough momentum to break ~5,000 by September 12, and this set off a bearish run a few days early.
Anyways, here is Tyler Durden's take on it (which I kinda disagree with?).Jamie Dimon Says Bitcoin Is A 'Fraud'
So is this like that time when the Microsoft CEO said the iPhone will never sell? I don't know.
Jamie wasn't completely unreasonable. I mean, calling Bitcoin a bubble? This is coming from a guy who issued bad loans in the housing market. So he might know exactly what he's talking about.
You can read about this and watch a video of him speaking here.