Story highlights The large haul, which bests the $3 million he raised after his narrow loss to Hillary Clinton in Iowa, is further evidence of the digital fundraising juggernaut his campaign has built

The Sanders campaign said Wednesday that $2.6 million of that haul had been raised in just the four-and-a-half hours after he was declared the winner in New Hampshire

Washington (CNN) Bernie Sanders raised $6.4 million in the 24 hours since the polls closed in New Hampshire, his campaign said Wednesday.

The large haul, which bests the $3 million he raised after his narrow loss to Hillary Clinton in Iowa, is further evidence of the digital fundraising juggernaut his campaign has built.

The Sanders campaign said Wednesday that $2.6 million of that haul had been raised in just the four-and-a-half hours after he was declared the winner in New Hampshire.

Sanders' campaign manager Jeff Weaver sent an email earlier Wednesday setting a goal of $6 million, then sent a second appeal a little before 8 p.m. Wednesday pushing the new goal to $7 million.

"Well, you already crushed that goal in just a couple hours," Weaver wrote. "So, in the spirit of this campaign, we're going to reach for a bigger but difficult goal — raising $7 million by the end of the day today."

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