HHWW(SH:600172) Hua Xia Shi Bao·2025-10-18 01:27Core Viewpoint - The cultivated diamond sector has emerged as a standout performer in the A-share market, driven by improving fundamentals and favorable policies, leading to significant price increases in key stocks [2][4]. Group 1: Market Performance - As of October 16, the cultivated diamond sector index rose from 1851.15 points to 2002.93 points, reflecting a notable increase despite a slight pullback on October 17 [2]. - Key stocks such as Power Diamond, Sifangda, and Yellow River Wind have seen monthly gains exceeding 10%, while some companies like *ST Yazhen, Chaohongji, and Hengsheng Energy have experienced over 100% annual growth [2][11]. Group 2: Policy Impact - On October 9, the Ministry of Commerce and the General Administration of Customs announced export controls on superhard materials, effective November 8, which has created a protective barrier for the domestic superhard materials industry and heightened market expectations for scarcity and performance certainty [4][5]. - The export controls are expected to lead to a shift in order structures towards domestic demand and non-restricted specifications, enhancing the competitive edge of domestic companies in high-end segments [5]. Group 3: Company Analysis - Power Diamond, Sifangda, and Yellow River Wind are leading the market, with their revenue figures showing fluctuations; Power Diamond's revenue is projected to decline by 17.03% in 2023 and 8.74% in 2024, while Yellow River Wind's revenue is expected to drop by 34.67% and 17.36% in the same years [8][9]. - Research and development expenditures for these companies in the first half of 2025 were 30.44 million, 28.72 million, and 39.16 million respectively, with R&D spending as a percentage of revenue being highest for Power Diamond [9]. Group 4: Future Outlook - The cultivated diamond sector's growth is attributed to a combination of policy support and a rebound in market conditions, with expectations for continued interest in the sector due to its performance potential [11][12]. - The market may experience a phase of differentiation, where stock prices will increasingly depend on fundamental factors such as order volume and profit margins [12].