It's up about 18% now and trading at $523, according to coin360.
What influences this pump?
Well I think that the Bitcoin Cash (BCH) is good for either short or long term investment. Due to its fast movement of its price, it is easy to predict when will you going to start to invest on it.
I agree with you that trading BCH for short time trading is quite profitable, provide the trader have a good insight about BCH prices trend and movement, It's price fluctuate easily within short periods.