Sen. Elizabeth Warren (D-Mass.) wasn't afraid to call out her fellow candidates during the Democratic debate in Nevada — former New York Mayor Mike Bloomberg was her favorite target — and her supporters appeared to approve of her performance.

The debate started at 9 p.m. ET, and shortly after 10 p.m., her chief marketing officer made a big announcement on Twitter. "That, my friends, was the Warren campaign's best hour of fundraising to date," Caitlin Mitchell said. "Keep it up."

The Warren campaign is hoping to raise $7 million before the Nevada caucuses on Saturday. She has vowed not to hold pricey fundraisers, and will not take any contributions over $200 from banking, tech, and investment executives. Catherine Garcia