Healthcare stocks dipped after President Donald Trump started presenting his plan to cut prescription drug costs, then bounced sharply to trade even higher than pre-speech levels. The SPDR Health Care Select Sector ETF was up about 0.5% before Trump's speech began, then slid to be down 0.1% swinging higher to be up 1.1% at a new intraday high. Among shares of the ETF's four most heavily weighted components, which were all also Dow Jones Industrial Average components: Johnson & Johnson went from a gain of 0.8% to a gain of 0.5%, but is now up 0.9%; Pfizer Inc. was up 0.8%, then up 0.2%, and now up 1.2%; UnitedHealth Group Inc. went from a 0.8% gain to a 0.3% loss, but was now up 1.3%; and Merck & Co. Inc. was up 1.2%, then up just 0.5%, and was now up 2.3%. Some changes to policy announced by Trump and Health and Human Services Secretary Alex Azar included drug price negotiation by government programs, an end to the "gag rule" on pharmacists--who cannot disclose if drug products can be bought for cheaper without using a health plan -- and disclosure of drugs' list prices pharmaceutical advertisements.