"Market Update: Dow Plunges, Yields Hit 2024 Highs, Trump's Truth Social Faces $58M Loss"

The US stock market opened lower as the Dow Jones Industrial Average slipped nearly 400 points, with the S&P 500 and Nasdaq also experiencing declines. Bond yields rose to 2024 highs, contributing to investor concerns about potential interest rate cuts. Health insurer stocks tumbled after US regulators failed to increase payments for Medicare Advantage plans, impacting companies like Humana and UnitedHealth Group. Tesla's stock stumbled after the company delivered fewer cars than expected in the first quarter, while rising gas prices have raised concerns about consumer spending and impacted consumer stocks.