The AI Windfall: A Faustian Bargain for Wall Street? The five largest Wall Street banks saw their capital markets revenue surge by 31.
5% in the first half of 2026, driven by stock trading, dealmaking, and financing tied to the AI boom. This is no ordinary upswing – it's a tsunami of cash that threatens to engulf the entire financial sector.
The answer lies in the symbiotic relationship between big banks and the tech industry.