Second-Quarter Earnings Season Is Nearly Complete. Here's What Investors Should Know.

S&P 500 second-quarter earnings season closed with 86% of companies beating earnings expectations and 75% surpassing revenue forecasts. Year-over-year earnings growth hit 50.4%, while revenue climbed 15%—the strongest rates since 2021.

The Energy sector delivered 42.5% revenue growth, fueled by elevated oil prices. But headline earnings growth carried a caveat: GOOGL and AMZN contributed significantly through one-time investment gains rather than operating performance, artificially inflating aggregate S&P 500 earnings.

The 50.4% earnings expansion marks a sharp rebound, but stripping out non-operating gains reveals a more modest operating picture. Revenue growth at 15% still reflects broad-based strength, with three-quarters of the index posting top-line beats.

Energy's outsized contribution underscores sector rotation dynamics, while the reliance on GOOGL and AMZN one-time gains flags concentration risk in index-level metrics. Investors pricing in continued earnings momentum should distinguish between sustainable operating improvements and transitory accounting benefits.