MSCI’s emerging markets index, which tracks nearly $7.6tn in stocks across China, India, Brazil, South Africa and other markets, is down more than 10 per cent since hitting a two-and-a-half-year high on October 2. Developed market stocks are roughly flat over that period.

The stock market’s Trump-fueled honeymoon has fallen short of inauguration day. While the S&P 500 eked out a gain to start the week, the index remains effectively unchanged from the day before the election.

Before the election, Donald Trump pretended he was solely responsible for Wall Street's upswing. That's a problem now that markets are struggling.

President Trump will have little direct impact on the stock market, but his policies, initiatives and posts certainly can make prices move. Here's how.