Another interesting one is financial services in China. It's been closed to outside companies, but China said they would let non-Chinese companies in. Except they put a barrier that the company must have $15 billion in assets. Plus, no company has even been approved to operate there yet (as of the last reporting I saw).

https://www.wsj.com/articles/wall-street-investment-banks-fa...

non-paywall: https://outline.com/UdR3KA