Baidu Inc. (NASDAQ: BIDU) shares plunged approximately 13% following the release of its second-quarter earnings report, which missed analyst expectations. The sharp decline on August 18, 2026, underscored investor concerns about the Chinese tech giant’s ongoing pivot towards artificial intelligence (AI) and cloud computing amidst a challenging market.

The company reported consolidated revenue of RMB 31.3 billion (about $4.6 billion) for the second quarter, a 4% decrease year-over-year, falling short of the consensus estimate of RMB 31.95 billion. Adjusted earnings per American Depositary Share (ADS) also missed analyst projections. This weaker-than-expected performance was primarily driven by a significant 19% year-over-year drop in online marketing services (advertising) revenue, which totaled RMB 13.1 billion. Management indicated that advertising pressure is likely to persist through the second half of 2026.

Despite the overall revenue decline, Baidu’s AI-powered businesses showed robust growth. AI Cloud Infrastructure revenue surged 50% year-over-year, and GPU cloud revenue jumped by an impressive 283%. Baidu’s management highlighted that AI-powered activities now contribute roughly half of its general business revenue. However, the strong momentum in AI has not yet been sufficient to fully compensate for the sustained weakness in its legacy advertising segment, resulting in a 68% year-over-year decrease in net income attributed to Baidu.

Baidu’s results present a mixed picture for investors, raising questions about the profitability timeline of its ambitious AI transition. While some Chinese tech peers like Alibaba Group (NYSE: BABA) have shown stronger momentum, partly due to optimism around new AI-driven e-commerce platforms, Baidu’s struggle to balance AI investments with declining traditional revenue highlights a broader challenge for the sector. Analysts, including Morgan Stanley, have downgraded Baidu, citing persistent earnings pressure from rising AI development costs and ongoing advertising weakness, suggesting that market skepticism regarding the immediate financial benefits of AI for such companies may continue.