It could be similar to when China kicked out a lot of non-domestic players. They even had a nickname for it. From the link below.

Fengkou fēng kǒu 风口

n. wind tunnel; an area or sector where, for a period of time, all investors want to invest in. Everyone stands a chance to fly when there is favorable wind blowing from behind.

https://www.newconceptmandarin.com/learn-chinese-blog/chines...