Group 1: Congressional Trading Activity - Members of Congress are increasingly involved in stock purchases, particularly focusing on Advanced Micro Devices (NASDAQ: AMD) and UnitedHealth (NYSE: UNH) [1][2] - Recent trading activity shows a significant surge in AMD purchases, reaching $347,000 in the last three months, compared to $282,500 in sales [3][6] - UnitedHealth has seen $194,500 in purchases over the last three months, while previous sales amounted to $746,000 12 to 15 months ago [7][9] Group 2: Advanced Micro Devices (AMD) - Congressional trading in AMD peaked 15 to 18 months ago with purchases at $198,500 and sales at $84,500 [3] - The strong interest in AMD is likely driven by the global demand for AI chips, despite the stock being down nearly 9% year to date, trading at $110 [6] Group 3: UnitedHealth (UNH) - UNH stock experienced a significant decline following a leadership change and the suspension of its 2025 guidance, with shares down over 40% year to date, trading at $295.57 [10][11] - Recent insider buying has contributed to a rebound in UNH stock, despite ongoing concerns about leadership instability [10][11] - Lawmakers, including Marjorie Taylor Greene, have accumulated UNH shares amid heightened uncertainty surrounding the company [9]