An individual or group are setting themselves up for a BIG trading profit
OR
They might be long term holders
We've been in the falling market for long time now, now in the 2nd quarter of 2018 I do believe we are going to see another pump or at least price to move towards 20k and stay that way and built itself up nearing the end of the year. This is huge pump even 10% in a day is hell a lot. We can clearly see that new money is slowly moving into bitcoin best strategy to hold and buy lambo tomorrow. I do believe that some groups might be doing this pumps and dumps as it is really hard for one individual to manipulate and impact the market in the big way.