[Mtinie]

That reversal is not instantaneous, and by no means is it a guarantee that you'll ever get the whole amount back when overdraft fees, third-party bounced check fees, and all of the other non-monetary impacts are taken into account.

Depending on the scope of your accounts with the financial company that you're banking with it's possible that beyond your day-to-day operating funds and your mid-term savings accounts that you may also have access to your investments and other long-term stores of value. They aren't as liquid, and it would be harder for a thief to shift them into something that can be transferred out of your account, but it certainly is possible for it to happen if sales of stocks/bonds/etc. are conducted without your knowledge and then the funds are wired out.