S&P 500 Gains and Losses Today: Akamai Leads Losses Amid Broad Market Selloff

Market Overview - Major U.S. equities indexes fell, with the S&P 500 down by 1.7%, the Dow Jones Industrial Average also declining by 1.7%, and the Nasdaq falling by 2.2% [1][9] - The decline followed underwhelming economic data and earnings forecasts, marking a retreat from record-high levels [1] Economic Data Impact - Existing home sales fell more than expected, contributing to inflation concerns that weighed on consumer sentiment [2] Company-Specific Movements - Akamai Technologies (AKAM) shares plunged by 21.7% after its 2025 revenue outlook fell short despite meeting quarterly results expectations [3] - Old Dominion Freight Line (ODFL) shares fell by 8.5% due to concerns that Amazon's expansion in freight shipping could reduce demand for its services [4] - Nuclear energy providers experienced stock declines, with GE Vernova (GEV) down by 8.8%, Constellation Energy (CEG) down by 8.1%, and Vistara (VST) down by 7.8% following regulatory delays [5] - UnitedHealth Group (UNH) shares fell by 7.2% amid investigations by the Department of Justice regarding potential overdiagnosing for Medicare Advantage payouts [6] - Moderna (MRNA) shares rose by 5.3% after reports of a new coronavirus discovered in bats in China, reversing previous declines [7][9] - Consumer staples stocks, including Hershey (HSY) up by 4.1% and Conagra Brands (CAG) among others, saw gains as traders sought safe investments amid market volatility [8]