Micron, Exxon, and Chevron Power S&P 500 Earnings Revisions Amid Iran Conflict

15 articles · Updated · Seeking Alpha · Apr 20

Micron Technology, Exxon, and Chevron have driven 75% of S&P 500 earnings estimate upgrades since the Iran war, Goldman Sachs reports.
Micron alone accounts for 51% of all S&P 500 EPS revisions, with energy and tech stocks dominating positive changes while most sectors saw no improvement.
Recent earnings optimism is concentrated in a few companies, as most S&P 500 firms have not seen their 2026 outlooks improve amid ongoing geopolitical tensions.

With just three firms driving market gains, is the S&P 500 rally a dangerous illusion?

Are energy stocks a safe haven or are they dangerously tied to an unpredictable war?

Is Micron's 600% growth an AI revolution or a temporary bubble about to pop?

Beyond oil, which industries face a hidden crisis from the Hormuz Strait blockade?

What happens to the market if the fragile US-Iran ceasefire collapses this week?

Can new AI software kill the massive demand for memory chips from companies like Micron?