https://venturebeat.com/2014/10/16/amd-misses-earnings-targe...
https://venturebeat.com/2015/10/01/amd-to-lay-off-500-people...
2016 AMD began to stabilize, as they focused on Zen. They still were losing tons of money per quarter, but they refocused their efforts. And 2017 they finally delivered. AMD didn't actually turn a profit until late 2017.
https://www.fool.com/investing/2018/02/05/amd-turns-its-firs...
Between 2011 and mid-2017, AMD was losing money every quarter. There's a reason why the stock was below $2/share for a long time.