Hire a local divorce attorney ASAP. CA is a "community property" state, which means that all property (including cash, etc.) acquired during marriage is presumed to belong to both spouses equally. You should be entitled to an equal split of that pocketed cash that he placed in a stock fund.
DISCLAIMER: My reply does not constitute legal advice or establish an attorney-client relationship. I am licensed to practice law in California.
I agree with counsel. You need to consult with an experienced divorce attorney for assistance with this. Please see the link below to read about the differences between separate and community property. Best of luck.
California law treats married couples like business partners who have fiduciary obligations to each other. When one spouse does any finical dealings without the other spouse's knowledge and approval, they could be deemed to have breached their fiduciary obligation to the other spouse. You can file a temporary property restraining order and have his account frozen and also claim a breach of fiduciary obligation claim. If you later prevail you may be able to recoup 50-100% of funds he expended as well as your attorney fees. I would suggest you consult with a family law specialist.
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