Goldman's basket of AI productivity beneficiaries, including Bank of America, has seen double-digit returns this year and could have more room to run.

Cyclical forces periodically influence markets, but Goldman Sachs expect long-term drivers to be structural.

"Past innovation-driven booms—like the 1920s and in the 1990s—have led the market to overpay for future profits even though the underlying innovations were real."

In its most bullish scenario, Goldman Sachs is eyeing a revenue uplift of up to 59%.

Goldman's basket of AI productivity beneficiaries, including Bank of America, has seen double-digit returns this year and could have more room to run.

The real debate — whether all this AI capacity being built today will be profitable tomorrow — remains unresolved.