U.S. stocks tiptoed to more records amid a mixed Tuesday of trading, tacking a touch more onto what’s already been a stellar year so far. The S&P 500 edged up by 2 points, or less than 0.1%, to set an all-time high for the 55th time this year.

But this week Trump moved closer to home, threatening 25% tariffs on all goods imported from Mexico and Canada and tying the tariffs to demands for better border control by both countries.