From Theodore Schleifer and Ashley Killough writing at CNN:

Donald Trump and his joint fundraising committee have raised at least $11 million since Tuesday morning, Republicans said Wednesday, a tremendously quick haul that comes amid concerns about his fundraising ability.

Trump Victory, the joint fundraising account with the Republican National Committee, and Trump’s official campaign raised $5 million online since Tuesday morning, when it sent one of its first fundraising pitches to its email list, according to Sean Spicer, an RNC spokesman.

That does not include the $2 million that Trump himself has pledged to match in the fundraising appeal, Spicer said.

Trump has done virtually no small-dollar fundraising since launching his campaign a year ago, and is not expected to begin a full online fundraising operation until the convention.