UnitedHealth's $5.88B Surge Propels Stock to 13th-Highest Trading Volume Amid Earnings Guidance Reaffirmed

On September 8, 2025, , , ranking 13th in the market. The move followed the insurer’s confirmation of its 2025 adjusted earnings guidance during investor meetings scheduled from September 8–10. The company reiterated its July 29 disclosure, which included the integration of Amedisys, . While the deal is projected to modestly dilute adjusted earnings per share due to financing and integration costs, the reaffirmation of targets signaled stability to investors, bolstering market confidence in its strategic execution.

Management plans to discuss broader operational updates, including market positioning and recent results, aligning with prior disclosures. , highlighting regulatory challenges. Meanwhile, the U.S. government’s delayed hiring of medical coders for Medicare Advantage audits adds operational risk. Democratic lawmakers have also scrutinized UnitedHealth’s loan collection practices post-February 2024 cyberattack, underscoring regulatory and reputational hurdles.

To run this back-test rigorously we need a few more details (and, in one case, data that is not directly callable through the current tool-set). Could you help clarify the following so I can structure the data-gathering and calculations correctly? 1. Universe • Are you targeting all U.S. listed common stocks, constituents of a specific index (e.g., Russell 3000, S&P 500), or some other universe? • If it is “all U.S. stocks,” please note that the tool suite only retrieves data on a ticker-by-ticker basis; we would therefore need an explicit list of names (or, alternatively, narrow the scope). 2. ? 3. ? , etc.? 4. . A cross-sectional, , . , we can proceed. Otherwise, we might simplify—for instance, test the strategy on a narrower universe or approximate it with an ETF proxy. , create the daily top-500 list, , . Let me know how you’d like to proceed!