ETFs: What they are and how to make money with them

"I am gravely concerned that the rise of tariffs puts us on a slippery slope towards crony capitalism," the billionaire investor said.

President-elect Donald Trump on Tuesday tapped Dr. Mehmet Oz, a former television talk show host and heart surgeon, to head the agency that oversees health insurance programs for millions of older, poor and disabled Americans and selected Wall Street executive Howard Lutnick to lead the Commerce Department. “Dr. Oz will be a leader in incentivizing Disease Prevention, so we get the best results in the World for every dollar we spend on Healthcare in our Great Country,” Trump said in a statement. “He will also cut waste and fraud within our Country’s most expensive Government Agency, which is a third of our Nation’s Healthcare spend, and a quarter of our entire National Budget.”

Donald Trump has been somewhat cagey about his economic plans — especially tariffs — since voters elected him president. That is raising the stakes in a drawn-out contest to become his treasury secretary while focusing Wall Street's attention on other key posts.