Equifax Shares Tumble 1.66% as Cybersecurity Breach Pushes Stock to 432nd in Trading Volume

On August 25, 2025, Equifax (EFX) closed with a 1.66% decline, trading at $0.21 billion in volume and ranking 432nd by market activity. The drop followed a regulatory filing revealing a cybersecurity incident affecting 2025 tax records, prompting investor caution ahead of the October 15 tax deadline. The breach, impacting 1.2 million consumers, triggered a class-action lawsuit and heightened scrutiny over credit reporting agency safeguards.

Analysts noted the stock's sensitivity to regulatory developments and consumer trust metrics. The incident overlaps with ongoing litigation from a 2023 data breach, compounding risks for the company. Market participants emphasized the potential for prolonged volatility as the company faces congressional inquiries and potential penalties from the FTC. Technical indicators show a breakdown below key support levels, raising bearish momentum in short-term charts.

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