Understanding the Fraud-on-the-Market Principle in Securities Law

Definition & Meaning

The fraud-on-the-market principle is a legal rule in securities law that allows plaintiffs to assume they relied on misleading information when purchasing a security. This assumption applies when the security is traded in a public market that is considered efficient and transparent. The principle is based on the idea that the market price reflects all available public information about a company, including any fraudulent statements. This rule was established in the case of Blackie v. Barrack, 524 F.2d 891 (9th Cir. Cal. 1975).

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Real-world examples

Here are a couple of examples of abatement:

Example 1: An investor buys shares of a company after it announces a new product, which later turns out to be a failure due to undisclosed issues. The investor can claim reliance on the market price, which reflected the misleading optimism about the product.

Example 2: A company falsely claims its earnings are significantly higher than they are. Investors who purchase stock based on this information can use the fraud-on-the-market principle to argue that they relied on the inflated stock price. (hypothetical example)

State-by-state differences

Examples of state differences (not exhaustive):

State Notes
California Strong protections for investors and a robust legal framework for securities fraud claims.
New York Home to many large securities firms; case law heavily influences how fraud-on-the-market is applied.
Texas Has specific statutes governing securities fraud that may affect the application of this principle.

This is not a complete list. State laws vary, and users should consult local rules for specific guidance.

Comparison with related terms

Term Definition
Material Misstatement A false statement that would influence an investor's decision.
Reliance The act of investors depending on the accuracy of information provided by a company.
Insider Trading The illegal buying or selling of securities based on non-public information.

What to do if this term applies to you

If you believe you have been a victim of securities fraud, consider the following steps:

  • Gather all relevant information and documentation related to your investment.
  • Consult with a legal professional who specializes in securities law to evaluate your case.
  • You can explore US Legal Forms for templates that may assist you in filing a claim.

Quick facts

  • Typical fees: Varies by attorney; some work on a contingency basis.
  • Jurisdiction: Federal and state courts.
  • Possible penalties: Financial restitution, fines, and legal fees.

Key takeaways

Frequently asked questions

It is a legal rule that allows investors to assume they relied on misleading information when purchasing securities traded in an efficient market.