There are no systems for stocks and shares.Plenty of forex systems around which in my opinion are all a load of hokum.For shares you need good advice,patience and intuition.
If you ever get emails about the hottest thing in the USA then that is similar to what you're alluding to.Some tippers are paid a lot of commission to bring in new investors.
As for scamming I'm sure many of you have had those phone calls from Geneva or Virgin Isles mentioning Warren Buffett.
Like many services RHPS tips can be a bit of a gamble.I've been with them some years and I am certainly not out of pocket.Then again I don't act on all the recommendations.They have losses but some of the gains have been excellent.
It's not overly expensive and quite a good read.Compared to some...