Key Highlights

● Second-quarter Revenue was RMB31.3 billion, down 4% year on year.

● Baidu Core AI-powered Business grew 25% to RMB12.5 billion, half of General Business revenue.

● Online Marketing revenue fell 19% to RMB13.1 billion.

● Total cash and investments were RMB283.1 billion at 30 June 2026.

Latest development: legal notices

Baidu, Inc. (NASDAQ:BIDU), whose American depositary shares trade on Nasdaq, is the subject of law-firm announcements of a securities class action. Notices dated 13 to 15 October 2026 describe a suit on behalf of purchasers of Baidu securities between 18 November 2025 and 17 August 2026, with a lead-plaintiff deadline of 13 November 2026.

The complaint, as summarised by one firm, alleges that Baidu overstated the ability of its AI business to offset declines in its legacy online marketing business, making revenue declines likely. These are allegations, not findings, and the notices are solicitations by plaintiff firms. Further notices from other firms refer to the same proceedings.

Second-quarter results

Baidu reported second-quarter 2026 results on 18 August. Total revenue was RMB31.3 billion (US$4.62 billion), down 4% year on year and 2% from the first quarter. Baidu General Business revenue was RMB25.2 billion, also down 4%.

The mix is the story. Online marketing revenue fell 19% to RMB13.1 billion, although that was up 4% from the first quarter. Baidu Core AI-powered Business grew 25% to RMB12.5 billion, or 50% of General Business revenue, though it was down 8% from the previous quarter. Within it, AI Cloud Infrastructure rose 50% to RMB7.3 billion, with GPU cloud revenue up 283%, while AI Applications grew 3% to RMB2.5 billion and AI-native Marketing Services was flat at RMB2.6 billion.

Profit, cash and management's framing

GAAP Operating Income was RMB3.0 billion (US$446 million), a 10% margin; non-GAAP operating income was RMB3.8 billion, a 12% margin. Net Income attributable to Baidu was RMB2.3 billion, or RMB5.74 per ADS, and non-GAAP net income was RMB2.6 billion, or RMB7.22 per ADS. Operating Cash Flow was RMB3.4 billion.

Total cash and investments were RMB283.1 billion (US$41.72 billion) at 30 June; Baidu reports in renminbi and supplies dollar equivalents alongside. Chief executive Robin Li acknowledged that "our online marketing business remains under pressure" while saying the results "reaffirms Baidu's transition from an internet-centric company to an AI-first company".

AI cloud growth versus the marketing contraction

The key tension is whether growth in AI Cloud Infrastructure can offset the contraction in online marketing. In the second quarter the AI-powered business grew 25% while the larger marketing line fell 19%, leaving group revenue down 4%. The sequential decline in the AI-powered business is also notable.

Further items are the lead-plaintiff deadline of 13 November and any company response to the lawsuit. Baidu's large cash balance gives it flexibility, but results will determine whether the AI-first description is borne out in revenue. Operating margin, 10% on a GAAP basis in the quarter, may also move with the revenue mix.