U.S. companies that exceed analysts' profit expectations are experiencing significant stock price increases, marking the largest such jumps since 2018. This trend is providing confidence to traders and contributing to a positive earnings season. Notably, HCA Healthcare's stock rose following an earnings beat and a dividend increase. The S&P 500 is reporting a net profit margin above 12% for the third consecutive quarter, according to FactSet. Approximately 75% of S&P 500 companies that have reported so far have delivered positive earnings surprises, with some companies significantly outperforming expectations. Analysts highlight that this earnings season is off to a strong start, with broader market indices like the S&P 500 and Nasdaq Composite approaching record highs. Additionally, U.S. stocks are outperforming global equities by the largest margin in 75 years.