Ad Analytics, which tracks political spending, tweeted Wednesday the Massachusetts senator was cutting spending in Nevada and South Carolina, where voters head to the polls to pick their top Democrat among a dwindling field of candidates on Feb. 22 and Feb. 29, respectively.
Warren finished fourth in New Hampshire behind a late-surging Amy Klobuchar, with 9% of the vote.
Sensing a poor showing, former Vice President Joe Biden canceled a Tuesday night New Hampshire rally and headed instead to South Carolina, a state he is predicting he will win Feb. 29. Biden finished behind Warren with 8%.
»Important 2020 election days you need to know
Warren and Biden may be aiming their hopes at Super Tuesday on March 3, when 14 states will hold primaries.
Colorado Sen. Michael Bennet and tech entrepreneur Andrew Yang ended their White House bids Tuesday night. Former Massachusetts Gov. Deval Patrick ended his campaign Wednesday.
»Full results of New Hampshire primary
Early voting in Nevada's Democratic caucus begins Saturday and finishes Feb. 22. For early voting, the state party will use new paper-based balloting for its early vote as it scrambles to reconfigure plans and avoid tech problems and reporting delays that mired Iowa's first-in-the-nation caucuses.