China Loses Zen: AMD Halts Technology Transfers of x86 IP

Can you elaborate on how you get this conclusion?

From the article "agreed to license its x86 and SoC IP for chip development in a deal worth $293 million (plus royalties)", that's at least 5% of AMD's 2018 revenue (out of 6 billion).

And when we consider that the partnership also deferred costs at the foundry, it seems somewhat plausible.

Although, now they went with S. Korean Samsung...