The president-elect’s threat to hit Canada, Mexico and China with new tariffs is already rocking business and diplomatic relationships and could topple the trade pacts he signed in his first term.

Other countries can’t afford to play guessing games with Trump. The American public would be wise to respond in kind

The S&P 500 touched a record high on Monday and logged its sixth-straight session of gains. Investors also rotated into small-cap companies, that helped the Russell 2000 index scale an all-time high, surpassing the previous record hit three years ago.