Wow, there are so much speculation that I have to go by parts...
* Lied about the impact of crypto-mining? Where are the investors' lawsuit because of that lie? Do you have the correct internal financial numbers? Any evidence at all about that claim?
Before the slide that started on October (quarterly report released on August):
QoQ gaming revenue increased ~4.76%; QoQ total revenue decreased 2.7%
November's quarterly report:
QoQ gaming revenue decreased 2.3%; QoQ total revenue increased ~1.86%
I would call crypto-mining a "non-substantial impact" based on real numbers. Even total revenue increased in the last quarter, while its stock dropped what we are discussing.
* The US/China trade war is not in effect for electronics yet. Import tariffs to discrete electronic components are still not in place and affecting the electronic industry yet.
* They missed their numbers by a bit, the forecast changed (there's the impact), but that happens all the time across the industry. Forecast is extremely hard and trends can change quickly, so they factor in contracts for delivering in the future and possible continuation of current trends. Renée James left Intel after missing the forecast for her division and neither her division nor the company have collapsed since.