But over the course of 2018, that hasn’t happened. At close on Tuesday, both the Dow Jones industrial average and the Standard & Poor’s 500-stock index were about where they’d started the year. In the first 12 months after the tax-cut bill, the markets had been mostly flat. This wasn’t the economic “rocket fuel” Trump once promised the tax cuts would be.

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Not only did Trump celebrate market gains as proof of his effectiveness last year, he also used stock prices to criticize Barack Obama during his predecessor’s administration.

To the same point in the second year of Obama’s first term, though, both the Dow and S&P 500 saw bigger percentage-point gains than the markets have seen under Trump, by far.

The Dow and S&P 500 are much higher now than they were eight years ago, but, even so, each index increased by more points over the course of Obama’s second year in office than in 2018. (December 4, 2010, was a Saturday, so this uses Friday’s closing prices.)

The tepid market growth in 2018 has also meant that one of Trump’s most-prized talking points, about market growth under his administration, itself compares unfavorably with Obama. Since each president’s inauguration, markets grew more robustly in 2009 and 2010 than from Trump’s inauguration to Tuesday.

In terms of actual point value, the markets have grown more during Trump’s administration. Higher values also mean bigger variations; several of the biggest single-day drops in the Dow have come during Trump’s presidency.

A lot can change quickly on Wall Street, so Trump’s 2018 can still turn around.