She can get half your retirement. You can get half hers. So long as you have documentation of its previsous existence, doesn't matter if she's withdrawn it and has it hidden.

You can also help yourself to half the value of her business.

For her to be awarded spousal support the court would have to see her as a dependent spouse. A woman who owns and runs her own business does not sound all that dependent.

There's a lot at stake here. Divorces involving a business can be as complicated and contentious as ones involving young children. You should be talking to a lawyer.