US STOCKS-Wall Street slips, weighed down by healthcare plunge By: Reuters: Company News April 17, 2019 at 16:35 PM EDT * Indexes down: Dow 0.01%, S&P 500 0.23%, Nasdaq 0.05% (Updates to market close) Read More >> Related Stocks: Abbott Laboratories Apple Boeing Co Merck & Co Morgan Stanley PepsiCo Pfizer Qualcomm, Inc. Textron United Airlines Holdings Inc UnitedHealth Group