Traders work on the floor of the New York Stock Exchange (NYSE) ahead of the closing bell, March 27, 2017 in New York City. Monday marked the eighth session in a row of decline for the Dow and matched its longest losing streak since 2011. (Photo by Drew Angerer/Getty Images)

Today is 18th anniversary of Dow crossing 10K: What you need to know

On the 18th anniversary of the Dow Jones Industrial Average closing above 10,000 for the first time, the blue-chip stock index was struggling to return to its most recent milestone set earlier this year when the Dow closed above 21,000 for the first time on March 1.

The Dow was trading at 20,649 in mid-morning trading Wednesday, more than 50 points off its close Tuesday — the first up day for the Dow after an eight-day losing streak.

RELATED: Beware of 2017, investment experts advise

The index resumed its pullback Wednesday on continuing concerns that President Donald Trump may struggle to fulfill his bold pro-business campaign promises of sweeping tax reform and regulatory relief after failing to wrangle enough votes to support his endorsed health care reform measure last week.

RELATED: Trump Rally pushes Dow to another new record

The eight-day losing streak — the second-longest period of consecutive losses for the Dow — was a dramatic reversal for the so-called “Trump Rally” that pushed the Dow above 20,000 for the first time in January, shortly after the president took office.

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