companies like facebook and netflix. part of this, something they call profit-taking on wall street, investors trying to cash out after markets climbed to all-time highs. they were up 30% this year. a little bit of nervousness. and boy, that was a real, legitimate code red day on wall street. >> big loss. don't like to see those numbers. how about a big shake-up in washington? the public face of president obama's health care overhaul is leaving the administration. health and human services secretary kathleen sebelius has told the president she is stepping down, now that the rollout phase of obamacare has come to an end. sebelius, as you know, was criticized a lot during her five years on the post over the obamacare rollout and other decisions, including those including contraceptive coverage and some transplant rules. the president plans to nominate office of management and budget director sylvia matthews burwell to replace her. a woman so far not identified who threw a shoe at hillary clinton. take a look. this happened during a speech in las vegas. the former secretary of state,