US corporate earnings growth is booming: S&P 500 quarterly earnings growth is up to +18% YoY in Q3 2025, the highest since Q3 2021. Excluding the post-pandemic recovery, this marks the strongest growth since 2018. This comes as 6 of the 11 S&P 500 sectors reported positive average EPS growth in Q3, a material improvement from just 2 sectors in Q2. Additionally, median profit growth in the Russell 3000 index hit +11% YoY, the highest since Q3 2021 and up from +6% in Q2. Overall, the frequency of earnings beats is now among the highest on record. Earnings momentum is incredibly strong.(The Kobeissi Letter)