Baba +1.28%

BIDU +4.07%

Baidu said on September 4 that its Hong Kong Class A shares have been added to both the Shanghai-Hong Kong Stock Connect and Shenzhen-Hong Kong Stock Connect programs, effective September 7. Stock Connect is the trading channel that lets eligible mainland investors buy Hong Kong-listed securities through Shanghai or Shenzhen accounts, and inclusion typically makes a stock far more accessible to that investor base. The change gives eligible mainland investors direct access to Baidu's Hong Kong listing and could broaden the company's liquidity and shareholder base. It does not change the underlying competition between Baidu, Inc. (NASDAQ: BIDU) and Alibaba Group Holding Limited (NYSE: BABA), which are pursuing artificial intelligence through different combinations of models, cloud infrastructure, chips, and consumer distribution.

Baidu's bull case centers on search traffic, its Ernie ecosystem, cloud services, and Kunlunxin chips. Stock Connect may make that story easier for mainland investors to access, while Baidu's dual-primary Hong Kong listing—a structure in which the Hong Kong shares and the U.S. listing carry equivalent rights—already broadens access. The bear case is that better trading access does not fix weak advertising, guarantee cloud share, or eliminate geopolitical and regulatory risk. The catalyst primarily affects liquidity rather than earnings. Mainland southbound flows have historically become a meaningful source of turnover for large Hong Kong-listed technology names after Stock Connect inclusion, which is why the accessibility discount draws investor attention, though the size of any such effect varies by company.

Insider Monkey counted 49 hedge funds holding Baidu, Inc. (NASDAQ:BIDU) as of June 30, down from 50 at March 31. David Tepper's Appaloosa Management disclosed 1,295,000 shares, 87% more than in the first quarter. That increase reflects one manager's conviction, not a broad rise in fund participation.

Alibaba's June-quarter AI Cloud and Compute Services revenue reached $7.1 billion, up 45% year over year, while segment adjusted EBITA rose 133% to $830 million. Alibaba's bull case rests on a full stack that includes Qwen models, cloud, proprietary chips, and commerce distribution. Its bear case includes capital intensity, intense domestic competition, exposure to consumer spending, and the possibility that rapid AI growth remains too small to materially change the larger group's valuation.

Ninety-seven hedge funds held Alibaba Group Holding Limited (NYSE:BABA) in the second quarter, down from 102 in the first quarter. Ken Fisher's Fisher Asset Management disclosed 5,096,418 shares after reducing the position by 0.5%.

Baidu's August 14 exchange-reported short-interest settlement showed 10,894,402 U.S.-listed shares sold short, equal to 3.84% of float, with 5.52 days to cover. That was up 32% from the prior report. The data predate the Stock Connect announcement and suggest skepticism without revealing the reason. Baidu now has the cleaner liquidity catalyst, while Alibaba has the stronger disclosed cloud monetization. Stock Connect may narrow Baidu's accessibility discount, but revenue growth, margins, and AI customer adoption will determine which company proves to be the better investment.

Investors should also note that Baidu's U.S. depositary shares and Hong Kong ordinary shares are linked but not identical instruments. Greater southbound turnover can improve price discovery without guaranteeing demand for the Nasdaq listing. The catalyst is real, but its effect on earnings remains unproven. Cross-market volume will be the first observable signal, followed by any changes in southbound holdings disclosed in daily Stock Connect turnover reports.

While we acknowledge the potential of BIDU as an investment, we believe certain other AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

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