Shares of Jefferies Financial Group Inc. (JEF) tumbled 5.34% in pre-market trading on Thursday following the release of its disappointing first-quarter 2025 financial results. The investment banking and capital markets company reported earnings that fell short of analyst expectations, sparking concerns among investors.

Jefferies reported quarterly earnings of $0.60 per share, significantly missing the Zacks Consensus Estimate of $0.88 per share. This represents a substantial earnings surprise of -31.82% and a notable decline from the $0.87 per share reported in the same quarter last year. The company's revenues also disappointed, coming in at $1.59 billion for the quarter ended February 2025, falling short of the Zacks Consensus Estimate by 13.66% and down from $1.74 billion in the year-ago period.

In its earnings release, Jefferies cited increasingly challenging capital markets as a key factor affecting its performance. The company pointed to uncertainties arising from U.S. policy and geopolitical events as contributing to the difficult operating environment. This challenging backdrop appears to have impacted various segments of Jefferies' business, with notable declines in areas such as fixed income trading and equity underwriting. As investors digest these results and the company's cautious outlook, the pre-market stock plunge reflects growing concerns about Jefferies' near-term prospects in a complex financial landscape.