This can mean a lot of things..
That is extremely right. It seems it will end up coins manipulation to me and for sure after the publishing of this post, there are groups in telegram sharing signals that say everybody gets ready for price fluctuation.
LOL, thinking that it could be traded with lowkey coins. It doesn't make sense at all, if I own that 4.5k Btc, I guess I will hold it, and slowly play it with nice moves. Let's always be aware, a great amount of BTC comes Great Responsibility sooner or later.