When you dream bank means: The dreamer’s inner energy is represented by the bank symbol. Positive symbol that you can find the right source. It is a sign of security and reassurance that money can be taken out of a machine. This is how you use what you’ve worked hard for. In a dream, a bank robbery could indicate that you have used up your stored energy or are an energy vampire who has taken advantage of you. The theft of a bank card can indicate that someone or something has taken your self-worth and achievements.
(in Dream Dictionary)