Market Manipulation

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In the 2025 fiscal year (ended September 30, 2025), the SEC’s enforcement activity, as measured by the number of stand-alone enforcement actions, was at its lowest level in ten years. While the decline was reflected across many categories of SEC enforcement, there were certain specific areas – such as cases involving insider trading and market manipulation – where SEC activity actually increased. And notwithstanding the overall decline in SEC enforcement activity, there are signs to suggest that foreign companies listed on U.S. exchanges should be prepared heightened SEC scrutiny and enforcement activity, as discussed below.Continue Reading SEC Enforcement Actions Decline, But Foreign Cos. Should Remain Vigilant

Short sellers have a complicated relationship to securities class action litigation, as several prior posts on this site have noted (most recently here). Among the more unusual roles short sellers can play in a securities suit is to serve as lead plaintiff. One recent high-profile case where a short seller acted as lead plaintiff is the suit filed against Overstock, its founder and former CEO, Patrick Byrne, and other executives. The short seller alleged, with some plausibility, that Overstock and Byrne had attempted to mount a “short squeeze” targeted at the short sellers. The district court granted the defendants’ motion to dismiss, and in an interesting October 15, 2024, opinion, the Tenth Circuit affirmed the district court. The appellate court’s opinion has several interesting features, as discussed below.Continue Reading Tenth Circuit Affirms Dismissal of Short Seller’s Securities Suit Against Overstock