Hong Kong Stock Movement: CIG rises 15.33%, what market sentiment is hidden behind the lack of important news?

Hong Kong Stock Movement CIG, up 15.33%, 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 Yangtze Optical Fibre and Cable, up 8.44%, with a trading volume of HKD 1.145 billion, and 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. ZTE Corporation, up 6.09%. Based on recent key news: On May 1, the High Court of England ruled that Samsung Electronics must pay ZTE Corporation USD 392 million in patent licensing fees. This news stimulated ZTE's stock price to rise, with a trading volume of HKD 266 million. The ruling has not yet taken effect, and both parties can appeal. On May 4, the ruling of the High Court in London further confirmed that Samsung must pay an amount higher than it claimed but lower than what ZTE demanded. This ruling has a positive impact on ZTE's patent revenue expectations, driving the stock price up. On May 3, the acceleration of 5G technology iteration and the enhancement of the strategic value of standard essential patents have positioned ZTE Corporation as a key player in the global 5G patent competition, boosting market confidence. The intensifying competition for 5G patents increases market volatility risks. BYD Electronics, up 1.51%, with a trading volume of HKD 113 million, and 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 Market Capitalization in the Industry Fast Innovation, up 2.36%, with a market capitalization of HKD 18.3 billion, and 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