For stock trading, check the Jin Qilin analyst research reports — authoritative, professional, timely, and comprehensive, helping you uncover potential thematic opportunities! Source: Securities Market Weekly Magazine Market Account Article | Shui An. There is always a rebound that appears, even if only briefly. On October 20, it arrived, with major indices all surging from early declines to turn positive during the morning session. This time, the rally was led by technology growth stocks as the "vanguard," while the low-volatility dividend stocks that had been carrying the banner recently took a breather, with the seesaw effect and style rotation switching sharply. But an unavoidable and inescapable reality still looms — has the "bottom" actually been reached? On the other side of this question, some large funds have already begun continuously "bottom-fishing," with stocks like Saimo Intelligent, Changying Precision, Dian Diagnostics, and Dema Technology all launching big rallies from low levels, and rotation opportunities under main force gaming keep emerging. So, under such market conditions, which directions still have opportunities? What kind of pattern, once it appears, signals that a company has main force capital entering? The video in this article provides a free and comprehensive analysis for everyone.
Late-Session Pullback and Sentiment Recovery — This Pattern Is a Signal of Main Force Entry. Overnight (October 19), U.S. stocks rose. Today (October 20), Korean stocks continued to diverge, but A-shares staged a structural rebound and at one point experienced a strong wave of sentiment recovery. For example, the STAR Composite Index, within 3 minutes of opening, surged from a rapid decline of over 1% to a gain of over 1%, with an intraday high gain of over 3%. The establishment of a bottom will not happen overnight; it is a process of repeated bottom-grinding, oscillation, and even re-testing lows. Today's surge and pullback, followed by another late-session recovery, once again proved that "selling pressure remains, but buying capital is always present." And from the market perspective, multiple signs of improvement have already appeared. Previously, I analyzed with everyone that one of the driving factors for the market to confirm a rebound is inseparable from leading sentiment stocks being the first to stop falling. In recent trading days, some leading sentiment stocks have already started to move. On October 20, Lianxun Instruments, Yuanjie Technology, Shenghong Technology, and others all staged strong rebounds at one point. Other stocks are demonstrating a pattern of "positive catalysts plus oversold conditions creating new opportunities." Last Friday, Hengtong Optic-Electric released a positive announcement estimating a year-on-year net profit increase of 151.27% to 168.10% for the first three quarters. On Monday, the company's stock price immediately hit the "10cm" daily limit, and on October 20 it continued to rise as much as 5%. Currently, it has filled the downward gap from October 15. You should know that in just 11 trading days from September 23 to October 15, its stock price had rapidly fallen nearly 40%. From the latest third-quarter shareholder holdings disclosed by listed companies, it can be seen that some large funds have begun to act. According to the latest third-quarter shareholder holdings disclosed by Kexiang Co., "super retail investor" Wang Xiao'an increased his position by 4.5 million shares to 19.5 million shares, while Fang Wenyan entered as the 8th largest circulating shareholder with 7.1 million shares. As of the end of the third quarter, the market values of their holdings in Kexiang Co. were as high as 1.8 billion yuan and 655 million yuan, respectively. It is worth mentioning that in the previous main upward trend, Kexiang Co. had staged a rally of over 10 times. Changes in positions by institutions, main forces, and super retail investors are reflected in changes in the number of shareholders. From the latest shareholder change data disclosed by listed companies as of September 30, 2026, some companies saw significant declines in shareholder numbers, with large capital intervening and stock prices strengthening, such as Junya Technology, Quectel Communications, and Chuantou Energy, whose latest shareholder numbers all declined by over 20% compared to the 2026 half-year period. In contrast, some companies saw significant increases in shareholder numbers, with large capital exiting and small capital taking over, and stock prices falling significantly from high levels, such as Ruijie Networks and Star-Net Ruijie (see attached table). It is worth mentioning that on October 20, both Junya Technology (see Figure 1) and Quectel Communications (see Figure 2) closed at the daily limit, and both have staged strong counterattack rallies in recent months. Chuantou Energy, meanwhile, has been on a long-term slow bull run to new highs.
Will the Broad Recovery of AI Tech Stocks Be a Flash in the Pan? Tech stocks with AI as the core main line staged a structural rebound on October 19, and on October 20, it further evolved into a broad-based, coordinated recovery. On October 20, the following main lines performed relatively "eye-catchingly": humanoid robots and linked sectors such as reducers, PEEK materials, and at the same time, some linkage with the flying car theme triggered by Tesla's new-generation Roadster. Representative strong stocks include Ningbo Dongli, Changying Precision, Zhejiang Rongtai (2 "10cm" daily limits), etc. During the period from October 16 to October 20, core sentiment stock Unitree Technology surged 30%, recovering nearly a month of losses and providing a strong stimulus to the sector. AI hardware, computing power, optical communications, such as CPO, PCB, copper cable high-speed connections, liquid-cooled servers, etc. Representative strong stocks include the aforementioned Junya Technology. Semiconductors, memory chips, advanced packaging, lithography machines, etc. Related companies include Hengxuan Technology (20cm daily limit), Espressif Technology, Rockchip, etc. Moore Threads surged in the afternoon, closing up 11% for the day. Espressif Technology staged a strong bullish candle of nearly 17% to hit a new high in nearly a year (see Figure 3). AI edge computing, AI software, AI agents, AI glasses, AI phones/PCs, Zhipu AI, AI agents, etc., such as Meige Intelligent and Longqi Technology, both hit the 10% daily limit. The aforementioned tech sub-sectors share one similarity: they had all previously undergone consecutive oversold conditions. For example, Changying Precision had fallen more than 50% at its lowest point from its mid-May high. In addition, they are backed by various stimulating factors. For instance, Tesla stated that its third-generation humanoid robot Optimus is ready for mass production. Furthermore, the "Opinions on Accelerating the Promotion of Technology-Driven Commerce" was recently released, providing a stimulus to AI-related sub-sectors. Tomorrow, October 21, multiple events may bring positive news to A-shares and related sectors. For example, Jensen Huang will deliver a keynote speech at NVIDIA's GTC conference, which may further stimulate agentic AI, physical AI, and more. Additionally, the 2026 World Intelligent Connected Vehicles Conference will be held on October 21. In recent days, related stocks have already shown some performance. Unitree Technology's recent rebound and related event stimuli are warming up the humanoid robot industry chain. So, what is the landscape of the humanoid robot industry chain? Who are the representative companies? The following content provides further analysis. The humanoid robot industry chain involves multiple segments including actuator assemblies, reducers, ball screws, motors, sensors and vision, dexterous hands, and complete machines. Reducers, motors, and ball screws account for approximately 60% of component costs. Representative A-share listed companies include (but are not limited to): In actuator assemblies, Tuopu Group, Sanhua Intelligent Controls, etc.; reducers, Leaderdrive, Shuanghuan Transmission (including RV reducers and harmonic reducers); ball screws, Wuzhou Xinchun (rights protection), Hengli Hydraulic, etc.; motors, such as Inovance Technology (frameless torque motors), Moons Electric, Leadshine Technology, etc.; sensors and vision, such as Keli Sensing, Orbbec; dexterous hands, Zhaowei Electromechanical (cumulative gain of nearly 20% from October 19 to October 20), Changying Precision, etc.; complete machines, Unitree Technology. In conclusion, the "Yuanjie Technology" types have temporarily stepped aside, while the "Junya Technology" types are starting up. Opportunities in the market may not lie in the obsession of "what you think," but in the rotation of "what the market wants." Sina disclaimer: This message is reprinted from a Sina partner media outlet. Sina.com publishes this article for the purpose of conveying more information and does not mean it agrees with its views or confirms its description. The article content is for reference only and does not constitute investment advice. Investors who act on this do so at their own risk.
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