I don't know if PXC is ready for larger exchanges just yet, but I think it is inevitable.
Why would it not be ? Sure, people will pump and dump it, but it'll just drop down to a realistic price because there are too many PXC supporters with deep pockets that are waiting and hoping someone will dump.
Yes, if you look at crypsy you can see that what you say is already true, there is a lot of sell order