This is a fact specific question that should be discussed with an attorney offline. If you are being accused of offering investment advice for a...

Your question is intensely fact specific. Whether people pay a fee for you to employ the algorithm to trade likely makes you an investment adviser...

From experience in dealing with these kinds of matters, many times the people purport to hold the cash or securities you delivered but may have...

Unless you wish to register as an investment adviser with your home state or the SEC, the answer is no.

You should file a complaint with the North Dakota Securities Commission: https://www.securities.nd.gov/investors/investment-fraud-and-enforcement

File a police report and call your insurer.

These companies certainly aren't treating you fairly, and you should be able to withdraw your money as you request. That being said, you will...

You can create a US company if you desire, but you will pay US taxes on income you derive from US sources.

There are various federal immunities that would preclude you suing him. Now, if you worked with a broker and/or these decisions were SO patently...

Review your purchase agreement for the business with an attorney. More likely than not you bought the business minus liabilities. Now whether...