Give us more information about the closing of your bank account, I guess they will not do that without any valid reasons though I don't have bank account yet but it's really normal if you do something illegally and don't respond to them about that issue 
Don't just post a thread here that you want to tell and convince us that having account bank account now is not good or investing in the bank are in a big risk this time.
Just like investments , trusting you funds in banks is also risky specially when you are new in the world of bank. The thing to do for you to make sure that your bank will not soon ran out you must also consider on being a part of the bank system where you also need to have a funds on the bank so that you could help it on investments, and shares.Don't just post a thread here that you want to tell and convince us that having account bank account now is not good or investing in the bank are in a big risk this time.