The post-market share price reaction has seen Microsoft lose 5%, Tesla gain more than 2% and Meta’s share price has rallied by more than 8% in after-market trading. Microsoft AI spend not boosting earnings powerHowever, the earnings growth rate for Microsoft has slowed, for 2025 it was 16%, this Is down from 20% in 2024. Meta’s share price set to soarIn contrast, Meta’s share price surged after its earnings report and topped 10% at one stage in post-market trading, although it pulled back before the close. For now, investors are not questioning the ethics of this aim, and Meta’s share price is set to surge on Thursday. A big win for Meta’s share price could see the company play catch up with its Magnificent 7 peers.