You can't blame others if you operate it yourself.

Don't you open an account with a securities company? Your stock is covered. Can the securities company accompany you to get the money?

If the company manages funds on behalf of customers,

Then there is nothing we can do. It must be a black company, but it is not necessarily a platform problem.

If you can't get the money out, it must be a black platform. You must report it and don't let others be cheated again.

Or the loss caused by the malicious sliding point of the platform, the platform is not much better.