Both presidential campaigns are citing fund-raising spikes following the Supreme Court's decision upholding President Barack Obama's health care law.
Mitt Romney's organization said Friday morning it had raised $4.6 million online, and Obama's operation, while not revealing specific numbers, said they had surpassed Team Romney's announced total.
The Romney fundraising figure included money from more than 47,000 contributions in the first 24 hours, the candidate's spokeswoman Andrea Saul said.
Obama's campaign wouldn't reveal specific fund-raising numbers when asked, saying Friday their opponent's hour-by-hour updates were "perverse." They did assert, however, that their donations surpassed the Romney effort.
"It's perverse that Mitt Romney won't share details about what he'd do for the millions he'd leave uninsured or at the whims of insurance companies when he 'kills Obamacare dead,' but he'll share the hourly details of his fundraising after the Supreme Court ruling," Obama campaign press secretary Ben LaBolt wrote. "We've outraised the Romney campaign in that time period but that's not the point - our supporters are more committed than ever to ensuring that insurance companies can't drop coverage for people who get sick or discriminate against people with preexisting conditions by reelecting the President."
They Romney campaign's Friday announcement marked a significant jump from Thursday night, when the campaign reported pulling in $3.2 million from 26,000 contributors.
Both Romney and Obama used Thursday's Supreme Court ruling on health care to solicit funds from donors, each spinning the landmark decision as an appeal for campaign cash.
Romney's campaign changed the homepage of their website to reflect the court's decision, writing "Obamacare Upheld: Elections have consequences" over a photo of the Republican candidate. Underneath the image was a large red "DONATE" button.
The campaign also emailed and sent text messages to supporters asking for campaign contributions. In one, Romney wrote: "Our basic liberties are at stake - and I will fight to restore our freedoms, renew the respect for our Constitution, and halt the government takeover of health care. This November it's all on the line. The stakes couldn't be higher. Donate $10 or more to put a stop to the policies of Barack Obama and the liberal Democrats."
A text message from Romney read: "If we want to get rid of Obamacare, we're going to have to replace President Obama."