That was a record breaking volume required to devour a massive Ask wall that had accumulated at the $820 range.
I doubt for a second that this surge in volume, 900 BTC worth of it occurring in one fell strike, the majority of the rest of it hitting within two seperate 1 minute candles, was the result of irrepressible mass public appetite for $820 Bitcoin.
I will concede that I don't know what the fuck is happening here but it reeks of fish.
Here is what the fuck was happening:
https://bitcointalk.org/index.php?topic=400235.msg4778423#msg4778423