道指涨幅扩大至1%，再创历史新高

Core Viewpoint - The Dow Jones Industrial Average (DJIA) has increased by 1%, reaching a new historical high on October 3rd, indicating strong market performance and investor confidence [1]. Company Performance - Johnson & Johnson's stock rose nearly 2%, achieving a new all-time high [1]. - UnitedHealth Group's stock increased by over 3%, reflecting positive market sentiment towards the company [1].