Shares of key drugmakers like Eli Lilly (LLY) , Pfizer (PFE) , Merck (MRK) , AbbVie (ABBV) , Gilead, Bristol-Myers, Amgen (AMGN) and several other U.S. pharmaceutical stocks were in the green at market close on Monday. The stocks recovered well from their pre-market decline on Monday in response to President Trump's social media post, which stated that the government will sign an executive order later in the day that will result in a 30% to 80% decrease in prescription drug prices in the United States. The ...