Perhaps, the following article will help: http://www.doughroller.net/personal-finance/8-awesome-online-forums-personal-finance-investing/ In the article, there's a list of eight forums with corresponding explanations.
For promotions or for getting information? Any particular country? Local info from Pakistan seems logical since every country operates differently
Find anything Dave Ramsey related (forums, literature). Investing should be done the right way and that's exactly what he's been teaching for years now. Another financial advisor to check out will be Ric Edelman.
If you are looking for financial advice or want to learn about investments, allocating your assets and maximizing your portfolio I would highly recommend financial samurai. They have a lot of great content that is relevant to today's market conditions.