In his latest trade-related tirade, President-elect Donald Trump has set his sights on a group of emerging-market countries collectively known as the “BRICS.”

President-elect Donald Trump said he would require countries that are part of BRICS — a China- and Russia-backed group of emerging economies — to commit to not creating new currency or face 100% tariffs during his administration.

President-elect Donald Trump railed on social media over the weekend against a group of emerging economies for their attempts to circumvent the dollar. While markets mostly took Trump's words in stride,