Edited .
Everything are just speculations.
There are no evidence pointing that they belong to Satoshi and even if it is
At least they doing it discreetly.
I won't be surprised if satoshi continued mining or his still a miner Even till date with him been alive been constant.
We experiencing a slight dip a minor pull back but the eyes is on the future not the now.
Don't get the mindset that you want to sell now and buy later at a cheaper rate even if your analysis dictates that.