Wall Street’s second-quarter earnings season is testing the limits of corporate optimism, with profit growth estimates for S&P 500 companies climbing 20% over the past six months.

This rapid upward revision has created a high hurdle for reporting firms, prompting analysts to describe the current pace of forecast increases as unsustainable.

As the earnings cycle progresses, the focus is shifting from headline-beating technology giants to sectors that have yet to see significant valuation rewards.

The broader-than-expected surge in corporate profits has extended well beyond the technology sector, according to market strategists.

However, the sheer height of current expectations means that even strong results may not trigger positive market reactions if they fail to exceed the elevated consensus.

This dynamic is creating volatility, with post-report swings punishing companies that meet but do not beat forecasts.