Hillary Clinton is leading Donald Trump across all four regions of the U.S.

Hillary Clinton is beating Donald Trump in the polls.

(Image credit: David Becker/Getty Images)

A new Wall Street Journal/NBC News poll released Thursday shows Hillary Clinton's lead over Donald Trump widening after the Republican nominee's tumultuous week, which saw him attack a Gold Star family and refuse to endorse key Republicans facing primary races, like House Speaker Paul Ryan. Clinton's national lead over Trump swelled to nine points in the poll, with her earning 47 percent to his 38 percent in a head-to-head match-up.

More ominous for Trump, however, was Clinton's domination across the map: She led across all four major regions of the country, including a notable 3 percent lead in the South. CNBC's John Harwood has the breakdown:

The poll follows several from earlier in the week, which found Clinton building leads in key battleground states and even historically Republican states.