A key pillar of the bull case for stocks could be set to crumble, famed strategist warns

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• Permabear Albert Edwards warned investors on Thursday of waning earnings optimism amid high oil prices.
• The Société Générale strategist sees potential for stagflation due to the US-Iran conflict.
• Stocks surged earlier this week on hopes of a resolution to war.

Amid all the Iran-war-driven chaos, one pillar that bulls have been able to lean on is the resiliency of earnings.

That pillar might be starting to wobble, however,...