信达证券给予中海油服买入评级，北海高日费合同贡献业绩，公司上半年利润同比增长

Group 1 - The core viewpoint of the article is that CNOOC Services (601808.SH) has been given a "buy" rating by Xinda Securities due to its strong performance in the first half of the year, driven by its drilling business [1] - The company reported a year-on-year increase in both revenue and profit, primarily attributed to contributions from its drilling operations [1] - Continuous investment in research and development, along with technological innovation, has enhanced the company's competitiveness in the market [1] Group 2 - The pet industry is experiencing significant growth, with a market size of 300 billion yuan, leading to a surge in stock prices for related listed companies [1]