Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) on Thursday brushed off a report that Democratic Wall Street donors may support President Trump over her if she's the Democratic presidential nominee in 2020.

“I'm fighting for an economy and a government that works for all of us, not just the wealthy and well-connected,” Warren tweeted with a link to the CNBC report that quoted anonymous donors.

“I'm not afraid of anonymous quotes, and wealthy donors don't get to buy this process. I won't back down from fighting for the big, structural change we need.”

I'm fighting for an economy and a government that works for all of us, not just the wealthy and well-connected. I'm not afraid of anonymous quotes, and wealthy donors don't get to buy this process. I won't back down from fighting for the big, structural change we need. https://t.co/nx7GczQhHl — Elizabeth Warren (@ewarren) September 26, 2019

Warren’s political career and White House bid have largely centered around fighting big banks and corporations, with her pledging to not hold big-money fundraisers for her presidential campaign.

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Her proposed "wealth tax" has been a cornerstone of her agenda and calls for taxing wealth valued at between $50 million and $1 billion at a rate of 2 percent, with the tax rising to 3 percent for net worth more than $1 billion.

The CNBC report cited “several high-dollar Democratic donors and fundraisers in the business community” who said they’d support Trump’s reelection over Warren if she is the chosen nominee, the outlet reported.

Warren, who has risen in polls in the crowded Democratic primary field in recent weeks, made a similar point earlier this month when she responded to a CNBC report claiming that Wall Street executives were "fearful" of a potential Warren presidency.

“I’m Elizabeth Warren and I approve this message,” she tweeted, with a link to the clip.

At least one senior private equity executive told CNBC on Wednesday that they would "help" Trump over Warren. The outlet noted that the executive made the comment a day after Speaker Nancy Pelosi Nancy PelosiDemocratic senator to party: 'A little message discipline wouldn't kill us' Overnight Health Care: New wave of COVID-19 cases builds in US | Florida to lift all coronavirus restrictions on restaurants, bars | Trump stirs questions with 0 drug coupon plan Overnight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds MORE (D-Calif.) announced a formal impeachment inquiry into Trump.

Warren has surged toward the top of the Democratic primary field, and is competing primarily against former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE and Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) for support in the race.

Warren has been closing in on Biden’s lead in the race, with some recent early-state polls showing the senator pulling ahead of him.

The RealClearPolitics polling index has Warren trailing Biden in national polling by 7.3 points, 28.4 percent to 21.1 percent.