Wait, what?

In the wake of what the newsletter terms "significant Trump-triggered global market sell-offs … ahead of his maiden foreign trip as president," Green writes that the threat posed by Trump's presidency offers four significant areas of threat to investor portfolios.

Although "[t]he fact that Mr Trump has struck a $110 billion arms deal with Saudi Arabia on Saturday is being hailed as a boost for American jobs," Green says, and the trip abroad thus far appears to be proceeding in a positive manner, at home things are very different—and therein, near term, the Trump administration could result in more risk than reward for investors.

As workers try to build retirement savings, losing sight of their objectives in the midst of the sound and fury of the Trump administration could present a particular threat to retirement portfolios—particularly for those closest to the Big Day, who might not have time to recover from any missteps resulting from paying more attention to Trump than to their own priorities.

Here are the four "key reasons" Green cites that investors should heed.

4. Scandals at home could derail the administration's pro-business agenda.

The constant drumbeat of leaks, accusations of wrongdoing and investigations into Trump's actions and motivations could "feasibly distract" the administration from its "agenda of tax cuts, deregulation, infrastructure spending and other pro-business legislative measures, which are hoped would have beneficial effects for investors."

3. The markets don't like chaos.

Although "Trump appears to be less of a geopolitical risk now than he was at the beginning of his tenure," Green writes, his administration is still "chaotic and unpredictable"—something markets loathe.

Calls for impeachment, the appointment of a special counsel and other actions flowing from Trump's presidency could drive investors into "knee-jerk reactions" that "can have disastrous consequences for their portfolios."

2. Investors could be distracted from other threats.

With all the frantic activity surrounding the Trump administration, and constant news reports, tweets and other communications, it would be easy for investors to miss the occurrence of events that might "affect markets and, therefore, returns."

Such scenarios as China's credit actions, which could slow their economy's growth, could be truly significant to investors' financial well-being—but be missed in all the turmoil—particularly since people seem so preoccupied with Trump and his activities that they may pay more attention to him than to other events of greater import.

1. The market might go through a correction.

Says Green, "it could be reasonably argued that a market correction is needed and that Trump and the scandals following him could be the catalyst for this."