大涨！这一板块，集体爆发！

Market Overview - A-shares experienced a rebound on September 5, with the ChiNext Index showing strong performance, peaking with a rise of over 4% during the session [1][5] - The Hong Kong stock market also performed well, with the Hang Seng Index showing moderate gains throughout the morning [3][17] Sector Performance - The new energy sector saw significant strength, with the CSI New Energy Theme Index rising over 6% at one point [7] - Key stocks in this sector included Yunda Co., which hit the daily limit up of 20%, and Xiamen Tungsten, which surged over 18% [8] - Leading stock Sunshine Power also saw a rise of over 14%, with a total market capitalization exceeding 260 billion [9] Individual Stock Movements - Several stocks that had plummeted the previous day rebounded significantly, including Shenghong Technology, which rose over 15% after a drop of 8.81% the day before [12] - Other notable rebounds included Xinyi Technology with an increase of over 8% after a 15.58% drop, and Zhongji Xuchuang with a rise of over 7% following a 13.39% decline [13][14] - The stock Hanwujing-U recovered some losses with a rise of over 5% after a previous drop of 14.45% [15] Hong Kong Market Specifics - The Hong Kong biotechnology sector saw a collective rise, with the Hang Seng Biotechnology Index increasing over 3% [18] - Notable stocks in this sector included Sanofi, Kangnuo Ya-B, and Crystal Technology, all of which had significant gains [18] - Stocks under the Hong Kong Stock Connect, such as Huiliang Technology and Zhongchu Innovation, also saw increases of over 10% [19] Regulatory Attention - The Hong Kong Securities and Futures Commission recently highlighted concerns regarding concentrated shareholding in certain companies, including Xie Ru Lin, which has a significant portion of its shares held by a small number of shareholders [20] - The share price of Xie Ru Lin saw a dramatic increase of 235.94% from August 18 to August 21, indicating high volatility due to concentrated ownership [20]