Could be several reasons why we are moving up again that quick.A few will say it's china, and rumors of an italian exit for instance.
Furthermore the market is running up since last year october now, so we are having a great bullish trend. SegWit will get activated sooner or later which might be another reason for a few to buy coins as this improves scaling and lays the groundwork for layer 2 implementations like Lightning Network for instance.
And when you compare the actual price with metcalfe's value for Bitcoin, we are still undervalued and could see some more upwards correction which would be awesome.