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Chinese stocks rally most since March, AI shares lead

Chinese stocks rose sharply on September 12, driven by gains in companies benefiting from the country’s push for homegrown technology.

The CSI 300 Index, which tracks major onshore equities, jumped 2.3%, marking its strongest performance since mid-March.

AI chip designer Hygon Information Technology Co. surged 20%, while Cambricon Technologies Corp. climbed 9%.

China’s Star50 index, focused on chip companies, rose 5.3%, and the ChiNext tech board also gained over 5%.

Homin Lee, a senior macro strategist at Lombard Odier Singapore, said retail investor sentiment is strong, citing new account openings, margin trading, and fund subscriptions.

The rally coincided with Alibaba’s plan to raise US$3.2 billion through zero-coupon convertible notes, the largest such offering in 2025 so far.

Alibaba previously announced a US$53 billion investment over three years in AI infrastructure.

🔗 Source: The Economic Times

🧠 Food for thought

Implications, context, and why it matters.

China’s massive AI investment strategy drives market confidence despite trade restrictions

  • Thursday’s rally reflects investor optimism about China’s $98 billion AI investment plan for 2025, backed by a national AI fund of 60.06 billion yuan ($8.42 billion) launched by the government2.
  • The surge in AI chip stocks like Hygon Information Technology (up 20%) and Cambricon Technologies (up 9%) demonstrates market confidence in China’s strategic push to become a global AI leader by 20303.
  • Morgan Stanley projects China’s core AI industry could reach $140 billion by 2030, expanding to $1.4 trillion when including related sectors, with investments yielding an estimated 52% return on invested capital4.
  • Major tech companies are following the government’s lead. Alibaba’s $3.17 billion convertible bond offering to fund its $53 billion three-year AI infrastructure plan signals sustained private sector commitment alongside public investment1.

Chinese AI capabilities are rapidly closing the gap with US counterparts

  • Despite US private AI investment reaching $109.1 billion in 2024 compared to China’s $9.3 billion, Chinese AI models are rapidly closing the performance gap with US models, particularly in bilingual benchmarks5.
  • China’s advantage in AI talent—holding 47% of the world’s top AI researchers—provides a strong foundation for sustained innovation despite export restrictions on advanced chips4.
  • The recent performance of Chinese AI stocks reflects growing investor confidence in domestic innovation capabilities, with the broader Shanghai 50 Index gaining 35.03% over the past 12 months6.

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