The president-elect has said he will ask lawmakers to repeal the Affordable Care Act. Or he can use regulations and the budget to dismantle the federal health law he calls "a disaster."
For weeks, the stock market sent signals that it was bound to take a hit if Donald Trump won the election. But on the first day of trading after a surprise Trump victory, stocks have been up most of the day.
"It's overwhelming for me to see the huge amount of disenfranchised people who feel the government has failed them," said one government worker who watched results roll in at the U.S. Embassy.
After he takes office, Trump could cut off funding for insurers' discounts to many health exchange customers by abandoning the executive branch's appeal of a 2014 lawsuit brought by House Republicans.
While Donald Trump campaigned for the presidency, he repeatedly said he would get rid of the Affordable Care Act. What will happen to Obamacare? Also, we monitor how financial markets are doing.
California and Washington passed stricter gun control measures, Nebraska and Oklahoma both passed measures backing the death penalty, and Colorado became the sixth state to legalize assisted suicide.
Investors who had been showing fear in recent weeks at the prospect of a Donald Trump presidency drove down equities, currencies and Treasurys as early election returns came in.