The litigation centers on claims that Baidu management overstated the strength of its AI-powered business while legacy advertising revenue deteriorated. Throughout the first quarter of 2026, the company reported robust growth in its AI segments, characterizing them as a reliable cushion against broader market declines. However, second-quarter results released in August 2026 revealed an 8% quarter-over-quarter contraction in the Core AI business, fueling allegations that previous growth projections lacked a reasonable basis.

Following the disclosure, Baidu American Depositary Shares plummeted 12.73% on August 18, 2026, closing at $90.87. This drop marked a significant retreat from the class period high of $162.52 reached earlier in the year. The complaint, filed by Levi & Korsinsky, LLP, argues that shareholders were led to believe an AI-led transition was successfully mitigating a 23% collapse in legacy revenue, only to discover the AI division itself had begun to shrink. Investors seeking to serve as lead plaintiff in the recovery process must file their motions by November 13, 2026.