On Friday, the pharmaceutical sector experienced a collective decline. As of the latest update, Eli Lilly (LLY.US) fell by 2.4%, despite the stock hitting a record high on Wednesday with its market capitalization surpassing $1 trillion. Other stocks in the sector, including Novo Nordisk (NVO.US), United Therapeutics (UTHR.US), and UnitedHealth Group (UNH.US), also saw minor losses.