October 9 was the kind of trading day that breaks stop-losses and rewards patience. Before 10 a.m., Chinese growth stocks were in full panic: ChiNext crashed through the 3,000 mark, the STAR 50 fell over 4%, and nearly 4,600 stocks across Shanghai, Shenzhen and Beijing were in the red. By the close, every major index had turned green - Shanghai +0.05% at 3,813.79, Shenzhen +0.17%, ChiNext +0.22%. Hong Kong went further: Hang Seng Tech ripped +3.06% off its 26-month low. One session, two markets.
1. Our tape: the deepest V of the week
We scored 715 raw retail comments posted within 24 hours across Sina Guba (48 heavyweight stocks) and East Money Guba (8 core names), plus 135 English posts on X as an overseas sentiment overlay. Weighted mood index: 66.4/100 - up 12.5 points from yesterday's 53.9, the coldest reading of the week. A sentiment deep-V matching the price action.
The structure tells the real story: of 69 limit-up stocks at the close, battery names took 6 (five on multi-day streaks) and publishing/media took 5, led by Xinhua Media's ninth straight limit-up with a 1.42 billion yuan sell-side queue. The 8 limit-downs were almost all AI hardware - components and optics. A textbook high-low rotation: money leaving three-year AI winners for beaten-down batteries and media.
2. Beijing doubles down on AI - while OpenAI pours cold water
At 6 p.m. on October 9, the CPC Central Committee and State Council jointly issued the policy document on developing new quality productive forces, ordering a nationwide "AI+" action plan: a unified national computing-power grid, smart terminals, humanoid robots, brain-computer interfaces - plus strengthened antitrust and cross-regulator supervision.
Same day, 8,000 km away: OpenAI's revenue warning (annualized run-rate seen at $70B by end-2026, but not soon enough) helped drag Nasdaq -1.25%, chips -3%, a second straight down day. And in the sharpest symbol of the hardware squeeze, Apple told suppliers to cut iPhone 18 Pro component orders as memory-chip costs force price hikes that demand won't absorb. Beijing is handing out licenses; Wall Street is auditing the invoices.
3. The world's biggest funds are at war over AI
Fresh 13F filings lay out the split:
- Selling: Bridgewater spent Q2 trimming NVIDIA, Broadcom, Amazon, Alphabet, AMD and Lam Research. Michael Burry is reportedly shorting NVIDIA and Palantir with over $1B notional. Cathie Wood keeps cutting Tesla.
- Buying: Warren Buffett's Berkshire ($279.9B portfolio) materially added Alphabet; Temasek initiated SpaceX and lifted Alphabet, growing its US book +22.2%; Hillhouse kept adding semiconductors.
- Leaving: BofA's Hartnett counted $166.4 billion into money-market funds in a single week - the fastest since the pandemic.
Ray Dalio, for the record, told a Singapore conference on October 7 that the AI bubble is entering its pre-break phase, comparing it to 1929 and 2000.
4. Chinese private funds: the $386M contrarian buy
September data: 726 private funds logged 1,808 corporate visits across 391 A-share companies, semiconductors leading at 229 visits. Anji Technology - CMP slurry supplier to SMIC and YMTC - drew 50 visits, the most-researched stock of the month.
The boldest trade sits in the shareholder register: Deng Xiaofeng's flagship fund at Gaoyi Asset bought back into Zijin Mining - 92.78 million shares worth 3.865 billion yuan - right after the copper-gold major had dropped 20% in Q2. His platform now sits in the top-10 shareholders of 14 companies, 13.94 billion yuan total. Meanwhile the CSRC proposed cutting the minimum launch size for equity mutual funds from 200 million yuan to 50 million - more new money is being wired in by regulation.
Yijinmoming Finance publishes a daily China retail-investor sentiment index built from raw comments scraped across East Money, Sina and overseas platforms (715 domestic samples today; 88-word lexicon, weighted by platform reach; X counted as an overseas overlay). Scale: under 40 = panic, 75+ = euphoria. This article is information, not investment advice. Sources: Sina Finance real-time quotes (Oct 9, 2026 close), Wallstreetcn, East Money limit-up pool, Simuwang, 13F filings, X (rumors marked unconfirmed).
Full China deep-V breakdown: https://telegra.ph/China-sentiment-deep-V-Beijing-doubles-down-on-AI---and-the-worlds-biggest-funds-are-fighting-over-it-10-09
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