Core Insights - Health insurance company stocks surged following news of a potential extension of tax credits for low and moderate-income individuals to afford coverage under the Affordable Care Act (ACA) [2][3][4] Group 1: Tax Credits and Subsidies - The tax credits, enhanced by the Biden administration in 2021, made health insurance premiums more affordable, leading to a record enrollment of over 24 million Americans in the ACA [3] - A report indicated that the White House plans to unveil a health policy framework that includes a two-year extension of the ACA subsidies, which are set to expire soon [4][5] - Without the extension of these tax credits, health insurers predict a significant increase in premiums, potentially by 75% or more [8] Group 2: Market Reactions - Stocks of health insurance companies rose sharply, with Oscar Health's shares increasing over 20% to $16.27, and Centene's shares rising more than 5% to $38.44 [6] - UnitedHealth Group's shares also saw a modest increase of less than 1%, reaching $321.90, as it is the largest health insurer with over 50 million enrollees [7] Group 3: Industry Concerns - Health insurers are already anticipating customer losses if enhanced subsidies are not extended, with UnitedHealthcare projecting a potential reduction of its Obamacare customer base by about two-thirds due to rate increases exceeding 25% [9]