effects of the actual listing?

Can anyone tell me what they think the actual listing will mean for the share price. I assume the price will jump when the date gets announced, at least we all hope it will but when the US investors start buying this stock can we expect to see a more stable base to this SP. Investors interested in Prima as a good long term prospect will be first in the door I'd say and they will not therefore be looking to offload quickly.

I'm hoping that an increase in long termers, like me, will mean the SP will not fluctuate or be manipulated quite so much in the future eg post listing.
I'm not an traders armpit to be honest but I'd like to know if those amongst you who are could pass on your thoughts about this.

thanks