J. Nuckolls, Inc. v. America’s Auto Auction St. Louis — Court throws out fiduciary-duty and fraud verdicts but upholds tortious-interference award

Case
J. Nuckolls, Inc. d/b/a Fenton Auto Sales v. America’s Auto Auction St. Louis, Inc. et al.
Court
Missouri Court of Appeals, Eastern District
Judge
Gary M. Gaertner, Jr., Judge
Date Decided
September 22, 2026
Docket No.
ED113904
Topics
Fiduciary duty; Fraud; Tortious interference; Jury verdicts
Source
Read the full opinion

Background

Fenton Auto partnered with wholesaler Alex David, who used Fenton Auto funds to buy vehicles at auction for resale. During that relationship, America’s Auto Auction St. Louis had a separate rebate arrangement with David: it sent him bid lists, rebated portions of buyer fees for certain purchases, and refunded post-sale inspection fees. David bought roughly 1,542 vehicles from AAA using more than $25 million of Fenton Auto’s money and received about $509,000 in rebates.

Fenton Auto alleged that AAA’s arrangement with David caused him to buy vehicles based on AAA’s incentives rather than Fenton Auto’s interests, reducing Fenton Auto’s expected profits. A jury found for Fenton Auto on breach of fiduciary duty, fraudulent misrepresentation, and tortious interference with business opportunity, awarding $350,000 on each claim, for a total of $1.05 million.

The Court’s Holding

The Missouri Court of Appeals reversed the fiduciary-duty verdict. AAA and Fenton Auto had an arm’s-length commercial relationship, and the evidence did not show that Fenton Auto ceded control to AAA or that AAA undertook to act for Fenton Auto’s benefit. AAA’s alleged interference with David’s fiduciary relationship with Fenton Auto did not itself create a fiduciary relationship between AAA and Fenton Auto.

The court also reversed the fraud verdict. AAA’s display of National Auto Auction Association membership was not a factual representation that it would comply with every association guideline. And evidence that 20 vehicles may have lacked documented post-sale inspections, out of more than 1,500 purchased, did not establish a pattern supporting an inference that AAA never intended to perform inspections when it sold them. The court affirmed the tortious-interference judgment and rejected AAA’s remaining challenges to jury instructions, discovery rulings, and alleged duplicative damages.

Key Takeaways

  • An arm’s-length business relationship does not create fiduciary duties without a knowing undertaking and justified reliance.
  • Trade-association membership alone is generally too vague to support a fraud claim based on compliance with all association policies.
  • AAA remains liable for the $350,000 tortious-interference verdict; the other two $350,000 awards were vacated.

Why It Matters

The decision distinguishes improper interference with another party’s fiduciary relationship from a direct fiduciary relationship between the alleged interferer and the injured party. It also reinforces that fraud claims based on future performance require evidence of present intent not to perform, not merely limited evidence of later nonperformance.

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