If you'll find any, most likely they are going to ask you money before you could join and have signals everyday that there's no guarantee you'll get profits. If you get unlucky, you could lose a lot of money with their signals and ended up having nothing, which is more frustrating because you lost your money using someone's decision.

Instead of looking for groups like that, there's a lot of tutorial on YouTube, just to have a basic knowledge about trading, and the rest is up to you to figure out.