President Donald Trump making stock market history may serve as an ominous short-term warning for investors, but the long-term upward trajectory for equities remains firmly intact.

US stock market is heading for its best start for a new American president since Ronald Reagan was sworn in to power in 1985. The benchmark S&P 500 was hovering near record high on Friday. The index is up over 2 per cent this week.

The stock market's premium valuation may be the biggest headwind standing in the way of Donald Trump overseeing another bull market run. There's a crystal-clear correlation between time and wealth creation on Wall Street.

Donald Trump’s presidency stirred financial markets in unprecedented ways, with political controversies often triggering stock market fluctuations.

Before the election, the Republican pretended he was solely responsible for Wall Street’s upswing. Now that markets are struggling, that’s a problem.