The president said he and the First Lady will be going into their "quarantine and recovery process immediately".
"We're struggling to get our head around it because such things are clearly not in the manual of investment management", said Gary Dugan, chief executive officer at Global CIO Office.
"She tested positive and I just went out with a test.so whether we quarantine or whether we have it, I don't know", Trump said.
Potential Silver Linings: Jamie Cox, Managing Partner for Harris Financial Group, said a positive test from Trump is not almost as devastating for the market as it would have been back in March.
Law Officer is the only major law enforcement publication and website owned and operated by law enforcement. Earlier on Thursday night the president predicted that the end of the pandemic was in sight.
Ms Hicks, 31, travelled with Mr Trump on Air Force One to the first presidential TV debate with Mr Biden in OH on Tuesday.
Trump, 74, first announced on Twitter that he and First Lady Melania Trump, 50, had tested positive for the virus. "When needed, I wear masks".
Speaking from the White House to guests at the annual Alfred E. Smith Memorial Foundation Dinner, Trump on Thursday said the nation mourns "for all those who lost a loved one, and in their memory, we will defeat the virus".
It's worth noting Trump and former Vice President Joe Biden shared a freaking stage together for at least 1.5 hours two days ago, though they appeared to stand at a distance from one another on camera.
The White House said in a statement that Trump "takes the health and safety of himself and everyone who works in support of him and the American people very seriously" and that it followed guidelines for limiting Covid-19 exposure to the greatest extent possible.
Hicks is the latest White House aide to test positive for the virus which has so far infected 7,277,352 people in the U.S. and killed 207,791 others, making it the worst-hit country in the world.
"The initial knee-jerk reaction was on the possibility of the USA elections being affected but, with markets being largely off lows, investors (are) focusing on European markets (to) continue to be mildly pessimistic, having most of their attention on Brexit developments", said Chris Bailey, a strategist at Raymond James.
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