Minor corrections are always expected when a coin goes up more than 10% suddenly, as profiteers start cashing out their profits.
It has leveled off and started inching upwards again.
I had more than 1 bitcoin worth of LBC up to last month, when I decided that it wasn't doing anything and promptly sold it off at around 1580 satoshi.
A week after that it shot up to more than 7000 satoshi. 
Never used XAPO before. Don't think LUNO supports paypal either. When I created my account there, I remember they only allowed me to choose from a list of local banks.