It is hard to make a sustained return on ICOs since a vast majority underperform the market significantly. It is not a bad idea to slow down your ICO investments and put it into NEM instead, and make a small amount harvesting while waiting to ride out the downturn.
On average, ICOs suck. But a quality ICO can net significant returns.
ProximaX has been in development behind the scenes since August, 2017, and It has a great team.
And most importantly, it is already effectively challenging TRON, Filecoin, Storj, Stream, Voise, Sia, and others without even launching their ICO yet.
But of course, HODLing XEM is a great choice as well. XEM price should increase dramatically, and is likely the safer choice from an investment standpoint.
I will be trying to get my hands on some XPX, though I will leave a majority of my investment in XEM.