道通科技目标价涨幅超65%，长春高新评级被调低丨券商评级观察

Group 1 - The core viewpoint of the article highlights the target price increases for several listed companies, with notable gains for Daotong Technology, Wanhua Chemical, and Zhengfan Technology, showing increases of 68.84%, 61.52%, and 60.11% respectively [1][2] - The data indicates that from July 7 to July 11, a total of 88 target price adjustments were made by brokerages, reflecting a positive sentiment towards certain sectors [1][2] - The companies with the highest number of brokerage recommendations during this period include Yanjing Beer with 16 recommendations, Industrial Fulian with 14, and Juhua Co., Ltd. with 10 [3] Group 2 - Seven companies had their ratings upgraded during the same period, including Ruike Laser, which was upgraded from "Hold" to "Buy" by Northeast Securities [4][5] - Three companies experienced rating downgrades, with Xin'an Co., Ltd. being downgraded from "Buy" to "Hold" by Tianfeng Securities [6][7] - A total of 48 new coverage ratings were initiated, with notable mentions including Xidi Micro receiving a "Strong Buy" rating from Huachuang Securities [8]