比亚迪等183股获推荐，万润新能目标价涨幅超83%

Group 1 - The core viewpoint of the news is that from December 1 to December 7, several companies received significant target price increases from brokers, indicating potential investment opportunities in the battery, computer equipment, and general equipment sectors [1][2]. Group 2 - The companies with the highest target price increases include Wanrun New Energy (688275) with an increase of 83.49%, Inspur Information (000977) with 63.08%, and Anhui Instrument (688600) with 61.39% [1][2]. - Other notable companies with significant target price increases are Emei Mountain A (000888) at 59.46%, China Communications Construction (601800) at 59.35%, and Shanxi Fenjiu (600809) at 56.55% [2]. - A total of 183 listed companies received broker recommendations during this period, with Yongtai Energy (600157), Jereh Group (002353), and BYD (002594) each receiving 5 recommendations [3][4]. Group 3 - The only company that had its rating upgraded during this period is China Resources Sanjiu (000999), which was upgraded from "Hold" to "Buy" by Western Securities [5]. - Conversely, Wanxing Technology (300624) had its rating downgraded from "Buy" to "Hold" by Zhongtai Securities [6]. Group 4 - A total of 53 first-time coverage ratings were issued, with New Jinlu (000510) receiving an "Accumulate" rating from Zhongyou Securities, and Yongzhen Co. (603381) receiving a "Buy" rating from Aijian Securities [7][8]. - Other companies receiving first-time coverage include Hang Hydrogen Co. (002430) with an "Accumulate" rating, Jiemai Technology (002859) with a "Buy" rating, and Yutong Optical (300790) with a "Buy" rating from Western Securities [8].