I currently have a savings account but feel that I only get a pittance back in interest, I'm aware that in the United States you can get returns of 15% on your money or at least that's what I've read. Is there anything like that here in the United Kingdom? what's the best return I can get on my money as I strongly feel that savings accounts are not the way to go about it and that I can do, so much better.

Thanks for your help.