Tuesday marked the first time voters weighed in on the primary since it effectively narrowed to a two-person race between Sanders and Biden.

For all his early success in the Democratic primary, including his California victory on Tuesday, Bernie Sanders is struggling to expand his support beyond his core base.

Congressional leaders agreed on an US$8.3 billion bill to battle the coronavirus, and investors are anticipating more central banks around the world will offer stimulus following the Federal Reserve's rate cut Tuesday.

Bloomberg announced his departure from the race after a disappointing finish on Super Tuesday in the slate of states that account for almost one-third of the total delegates available in the Democratic nominating contest.

Super Tuesday is the biggest day on the primary calendar, and the results seem very likely to reshape the Democratic presidential race in ways few people could have predicted a couple of weeks ago. Here are some takeaways from the results.

Super Tuesday marked a striking collapse for the onetime darling of progressives who was known for having a plan for nearly everything.

The former NYC mayor is expected to reassess his campaign for the Democratic presidential nomination after disappointing Super Tuesday results.

Sen. Bernie Sanders is looking for an early home-state win in Vermont, and polls began closing in some of the 13 other states voting from California to Maine.

Vermont Sen. Bernie Sanders began the day as the Democrats' undisputed presidential front-runner, backed by a coalition of energized liberals, young voters and Latinos.

The share of late deciders ranged from about one-third of voters in North Carolina to roughly 40 per cent in Massachusetts, according to AP VoteCast surveys of voters in several Super Tuesday contests.