The new feature in the game - the bank.
On the left menu you will find new section "Bank". There you can take out a loan or make a deposit to the bank. Respectively you will have to pay daily interest for the loan or get daily interest from the bank for your deposit. Daily interests are calculated at midnight by UTC (GMT). Before this time you can do whatever you like at the bank. Keep in mind, that if you put all your money in bank deposit, your bands' wages will be charged, even if this will make your money account negative.
On bank page you will find all the rest rules. But if you have any question about this feature, don't hesitate to ask here in the forum.
Happy banking. : )