Here's what you need to know
Today we are not merely transferring power from one administration to another, or from one party to another
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Still, after the president took the oath of office at the US Capitol, the Dow sank by as much as 70 points before recovering. The S&P 500 and Nasdaq also started sliding as Trump began his speech.
Meanwhile, the Mexican peso surged.
First up, the scoreboard:
1. Donald Trump was inaugurated as the 45th president of the United States.
The median S&P 500 performance for both parties one year after inauguration is 7.6%. It's -7% for Republican presidents, and 14.7% for Democratic presidents, according to tAlpha Hat.
ADDITIONALLY:
Here's how much debt the US government added under President Obama.
President Obama made one of history's greatest stock market calls in March 2009.
TRUMP'S ENERGY PLAN: "We must take advantage of the estimated $50 trillion in untapped shale, oil, and natural gas reserves."
Democrats wore "Protect Our Care" pins at the inauguration to protest the repeal of Obamacare.
MORGAN STANLEY: A "correlation crash" is happening in the markets.
The stock market is booming, but Trump can't take all the credit.