Your takeaway depends on your overall view of the country and the economy.

“In 23 years of doing this, I cannot really remember a time when a statistic comes out and you hear such diametrically opposed interpretations of it,” said Andrew Crowell, vice chairman of wealth management at D. A. Davidson & Company, which manages $48.2 billion. “There is no gray zone. It’s only black and white, which makes it an interesting time to be an investor.”

Who’s correct on the data will not be known until the economic impact is felt, which could take months or even years. But for investors, any plan based on waiting or wishing is not ideal.

After all, even before President Trump began to shake up economic norms, with his criticism of the Federal Reserve, threats of tariffs and nonchalance about government debt, investors were skeptical of the economic expansion, which has run, with a few minor dips, from March 2009 to the present.

A wait-and-see approach on investing can be costly, but moving too quickly at this stage could be ruinous if the market goes into a correction. Advisers to some of the country’s wealthiest people say to keep investing but to do it wisely.

Here are four tips for investors in a time of caution:

Diversify Your Portfolio

Mr. Trump has made many comments that in a different time would have caused the economy to tank. Military threats against North Korea and Iran, tariffs against the United States’ largest trading partners, all manner of statements about Russia — none of them has caused a market correction.