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3 Reasons to Buy Baidu, and 1 Reason to Sell

By Leo Sun – Updated Nov 19, 2021 at 6:03PM

Key Points

  • Baidu’s top-line growth is stabilizing as its online marketing business evolves and its cloud platform expands.
  • The stock looks cheap relative to its sales and near-term profits.
  • However, its margins are still headed in the wrong direction.

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The Chinese tech giant just posted a mixed third-quarter report.

Baidu's (BIDU 12.18%) stock price fell 5.5% on Wednesday after the Chinese tech giant posted its third-quarter earnings. Its revenue rose 13% year over year to 31.92 billion yuan ($4.95 billion), which matched analysts' expectations.

Baidu's adjusted net income fell 27% to 5.09 billion yuan ($790 million), or 14.66 yuan ($2.28) per share, which still exceeded estimates by 1.71 yuan ($0.27). But on a generally accepted accounting principles (GAAP) basis, it posted a whopping net loss of 16.56 billion yuan ($2.57 billion), compared to a net profit of 13.68 billion yuan a year earlier.

Should investors consider buying Baidu's stock, which has lost more than a fifth of its value this year, after those mixed results? Let's examine three reasons to buy Baidu -- as well as one reason to sell it -- to decide.

Two friends take a selfie together.

Image source: Getty Images.

1. The online marketing business is stabilizing

Baidu generated 66% of its revenue from its online marketing business in the third quarter. The segment's revenue had previously fallen year over year for seven consecutive quarters, mainly due to macroeconomic and competitive headwinds, before returning to growth in the first quarter of 2021. That stabilization continued throughout the second and third quarters:

Revenue Growth (YOY)

Q3 2020

Q4 2020

Q1 2021

Q2 2021

Q3 2021

Online Marketing






Source: Baidu. YOY = Year over year.

Baidu attributed that recovery to the growth of its managed page solutions, which enable it to handle a client's entire online presence within its ecosystem, and its marketing cloud services, which complement that platform with additional customer service and payment features.

Those newer services are reducing Baidu's dependence on traditional display and search-based ads, which are more exposed to competition from Tencent's (TCEHY 0.88%) WeChat, ByteDance's Douyin (known as TikTok overseas), and even Bilibili's Gen Z-oriented digital media platform.

That growth should also allay some concerns about the potential failure of Baidu's takeover bid for JOYY's (YY 5.92%) live streaming platform, YY Live. Baidu agreed to buy YY Live a year ago to diversify its business and gain new users, but the deal still hasn't been approved by antitrust regulators.

2. Baidu's cloud growth is accelerating

A growing portion of Baidu's "others" revenue, which accounted for the remaining 34% of its revenue in the third quarter, came from its AI Cloud business. The segment's year-over-year growth has accelerated significantly over the past two quarters:

Revenue Growth (YOY)

Q3 2020

Q4 2020

Q1 2021

Q2 2021

Q3 2021

Baidu AI Cloud






Source: Baidu.

Baidu only controlled 7.8% of China's cloud infrastructure market in the second quarter of 2021, according to Canalys, putting it in a distant fourth place behind Alibaba (BABA 0.05%), Huawei, and Tencent.

Nonetheless, the platform's ongoing expansion -- which is supported by the growth of Baidu's marketing cloud services, the Smart Mini Programs within its mobile app, its DuerOS virtual assistant, and its Apollo platform for driverless cars -- indicates it won't be rendered obsolete anytime soon.

3. Its price-to-sales ratio is low

Baidu expects its revenue to rise 14%-17% for the full year, and the stock trades at just three times the midpoint of that forecast.

By comparison, Tencent and Alibaba, which have also recently been weighed down by the macro and regulatory headwinds in the Chinese tech sector, trade at seven times and three times this year's sales, respectively.

Next year, analysts expect Baidu's revenue to grow another 15% as its online marketing and cloud businesses continue to expand. That low price-to-sales ratio and stable growth rate might limit its downside potential.

The one reason to sell Baidu: its margins

Baidu's revenue growth is stabilizing, but it's increasingly relying on lower-margin businesses to generate fresh sales.

Baidu AI Cloud isn't profitable yet, while iQiyi (IQ 6.20%) -- the streaming video platform that is also included in its "others" segment -- continues to struggle with sluggish growth and ugly losses. Its investments in newer services -- including virtual assistants, driverless cars, and other apps -- further squeezes its margins without generating meaningful revenue.

Baidu's investment in Kuaishou, a Tencent-backed short video app, also backfired and contributed heavily to its big GAAP loss during the third quarter.

All those challenges have been squeezing its operating and adjusted earnings before interest, taxes, depreciation, and amortization (EBITDA) margins over the past year:


Q3 2020

Q4 2020

Q1 2021

Q2 2021

Q3 2021

Operating Margin






Adjusted EBITDA Margin






Source: Baidu.

Analysts expect Baidu's GAAP net income to rise 32% this year against an easy comparison to the pandemic. But next year, they anticipate a 43% decline as its margins continue to contract.

Therefore, Baidu's stock might initially seem cheap at 12 times this year's earnings, but it looks a lot less attractive at 22 times next year's earnings.

Should you buy Baidu's stock?

Baidu's business is stabilizing, but it still faces too many headwinds. Investors who can look past the near-term regulatory threats would be better off investing in Tencent or Alibaba -- which both own more dominant platforms and rely less on lower-margin businesses -- than Baidu.

Leo Sun has no position in any of the stocks mentioned. The Motley Fool owns shares of and recommends Baidu and Tencent Holdings. The Motley Fool recommends Bilibili and iQiyi. The Motley Fool has a disclosure policy.

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