A major pharmaceutical company has achieved a historic $1 trillion market capitalization, joining an elite group of U.S. companies. This milestone was reached after its stock value increased by $400 billion in just three months. The broader healthcare sector was also performing well, with key sector indices rising. The company's expansion of its artificial intelligence alliances is highlighted as a key trend, showing how pharma-tech partnerships are transforming the industry and positively impacting major healthcare sector funds.