1. Inauguration Day: On Friday, Donald Trump will be sworn in as the 45th president of the United States.
Since his election, Trump has shown an uncanny ability to move markets. Bullish investors, girded by his pro-business rhetoric, have pushed the Dow closer and closer to 20,000 points. But the Republican has also introduced a degree of uncertainty. Trump has made a habit of targeting specific companies on Twitter with little notice. His marks, such as Boeing ( and )Lockheed Martin (, have seen shares plummet as a result. )