Hong Kong Stock Movement: FSM HOLDINGS plummets 20.69%, with no significant news but showing volatility. What is driving the market sentiment?

Hong Kong Stock Movement FSM HOLDINGS, down 20.69%, with no significant news recently. Trading is active, and capital flow is evident. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. Stocks with High Trading Volume in the Industry UBTECH up 2.22%. Based on recent news, On January 18, UBTECH signed a humanoid robot service agreement with European aerospace giant Airbus. Airbus purchased UBTECH's latest industrial humanoid robot Walker S2 for its manufacturing plant, and both parties will jointly expand the application of humanoid robots in aerospace manufacturing scenarios. This collaboration boosted UBTECH's stock price. On January 19, UBTECH's stock price rose against the market trend, reaching a two-month high. The company announced the signing of a humanoid robot service agreement with Airbus, further expanding the application of humanoid robots in five major scenarios: global aerospace manufacturing, automotive manufacturing, 3C electronics manufacturing, smart logistics, and semiconductor manufacturing. On January 20, UBTECH disclosed that its total order amount for humanoid robots exceeded 1.4 billion yuan by 2025, with production capacity expected to reach tens of thousands by 2026. The company is gradually expanding humanoid robots into overseas manufacturing markets such as Europe and the United States, further enhancing market confidence. The humanoid robot industry continues to thrive. Sanhua Intelligent Control up 1.07%. Based on recent key news: On January 15, Schroders PLC reduced its holdings in Sanhua Intelligent Control by 3.6481 million shares at a price of HKD 37.47 per share, totaling approximately HKD 137 million, raising market concerns about changes in its shareholder structure. On January 16, Schroders PLC further reduced its holdings in Sanhua Intelligent Control by 11.6683 million shares, bringing its holding ratio down to 11.51%, with a total amount of approximately HKD 452 million. Source: Zhitong Finance On January 21, Sanhua Intelligent Control stated on the interactive platform that the company is actively expanding its business in the liquid cooling server field and promoting cooperation with liquid cooling-related enterprises to enhance market confidence. Source: Zhitong Finance Techtronic Industries up 0.10%. Based on recent key news: On January 19, Techtronic Industries recorded a large transaction at a price 0.66% lower than the previous closing price, affecting stock price volatility. The transaction amount was HKD 36.5313 million, indicating increased market attention on the stock. On January 19, Techtronic Industries recorded a cross-trade at 11:20, with a transaction price 1.5% lower than the previous day's closing price, leading to a stock price decline. The transaction amount was HKD 35.61 million, with a buy-sell ratio of 51:49, indicating a change in capital flow. Stocks with High Market Capitalization in the Industry China International Marine Containers Group down 1.55%. Based on recent news: On January 19, CIMC Intelligent Technology submitted a listing application to the Hong Kong Stock Exchange. This news has raised market attention regarding CIMC Group's future business spin-offs and capital operations. Market interest in CIMC Group's future business spin-offs and capital operations has increased