I think one of the most important rules in trading, is that you...

I think one of the most important rules in trading, is that you have to have your own idea about a company, whether it should be the long-term investment or short-term investment.

You can't force someone else to think exactly like you and we all grown-ups, we should know that. If you see someone else saying something you don't agree with, just demonstrate your opinions to convince them, people can distinguish who is right and who is wrong.

Don't just say 'this is your first post and you know nothing about the company', that's not wise.