Group 1 - A-shares indices opened lower but turned positive, with the Shanghai Composite Index up 0.03%, Shenzhen Component Index up 0.74%, and ChiNext Index up 0.94%, with over 3,500 stocks rising [1] - The optical module (CPO) index was active, with Dekoli rising nearly 7%, Lantech hitting the daily limit, and New Yisheng up over 3% [1] - The controlled nuclear fusion concept stocks surged, with Guojin Heavy Industry, Farsen, and China First Heavy Industries hitting the daily limit, and Changfu Co. rising 6.35% [1] Group 2 - The A-share satellite internet index saw strong gains, with Aerospace Huanyu up over 12%, Sichuan Chuang Electronics up 10%, and Tianhe Defense up over 9% [2] - The 6G index rose over 2%, with Chuangyuan Xinke hitting the daily limit, Changxin Bochuang and Yaguang Technology up over 6%, and Huace Navigation up over 4% [2] Group 3 - Gold concept stocks collectively rose, with Xiaocheng Technology up over 6%, and several other stocks like Hunan Silver and Zhaojin Gold following suit [3] - On December 12, Moer Thread opened lower, initially dropping over 15% before narrowing the decline to nearly 7%, resulting in a market value loss of nearly 30 billion [3] Group 4 - Moer Thread announced a significant price increase in its stock, which may lead to short-term decline risks, and plans to hold its first MUSA Developer Conference soon [5] - The company indicated that new products have not yet generated revenue and face uncertainties in market competition, product certification, and customer integration [5] Group 5 - In the Hong Kong market, the Hang Seng Technology Index rose 1.35%, with JD Health up over 3%, NIO up over 2%, and NetEase nearly 2% [6] - Consumer stocks in Hong Kong mostly rose, with Jiumaojiu up over 4% and Haidilao up 3%, following the Central Economic Work Conference's focus on boosting domestic consumption [6] - Semiconductor stocks fell, with Huahong Semiconductor down over 5% and SMIC down over 2%, as the Hang Seng Index announced changes to its semiconductor index [6]