The assessment is "likely_true" based on direct, high-quality evidence from one of the primary sources, which is partially contradicted by another. The Reuters article explicitly states that "investors say" a potential appointment of Kevin Hassett could harm the U.S. dollar. This expression of concern about negative financial consequences from a key segment of the financial community constitutes a form of "warning" to the administration. This source directly supports the claim.Conversely, a Wall Street Journal article introduces conflicting information, suggesting that Donald Trump favors Hassett in part because he believes Hassett possesses "market credibility." This implies that Trump's perception is that Wall Street would be supportive, not critical. However, this source reports on Trump's belief rather than a direct statement from Wall Street leaders themselves. It is plausible that some financial leaders expressed warnings (as reported by Reuters) while Trump either disagreed with their assessment, listened to a different faction of the financial community, or simply chose to believe Hassett had sufficient credibility.The majority of the other provided sources are neutral on this specific point; they confirm Hassett is a leading candidate but do not mention any reaction, positive or negative, from Wall Street. While this lack of broad corroboration prevents a definitive conclusion, it does not invalidate the direct evidence provided by Reuters. The Reuters report stands as the strongest piece of evidence, directly substantiating the claim that there were warnings from the financial community.