The legal action, filed by Levi & Korsinsky, LLP, centers on allegations that Baidu overstated the sustainability of its core AI business. While the company maintained that AI-driven growth was cushioning an 18% year-over-year decline in legacy online marketing revenue, the complaint suggests these claims masked an underlying inability to generate sufficient returns. The discrepancy became public on August 18, 2026, when Baidu reported an 8% quarter-over-quarter contraction in its AI-powered segment and a 23% drop in legacy revenue.

Following these disclosures, BIDU shares suffered a sharp decline, dropping 12.73%—or $13.25 per share—in a single session. Investors who bought shares during the class period hold recovery rights regardless of whether they currently own the stock. Those seeking to be appointed as lead plaintiff must submit their applications by November 13, 2026. While class members are not required to take immediate action to remain eligible for a potential settlement, those with significant losses may petition the court to direct the litigation.