Microsoft, Nvidia, and Meta: Should I Buy Them?

Microsoft, Google and AMD all have earnings coming up next week. So what if they have big reaction big positive reactions does that mean I should I should buy them? You know there's not really any of them are in place as far as I can think right now. All seem somewhat extended, and they just need some time They could probably use a rest now again but it seems like they get generally need a rest for some time.