Core Viewpoint - The article discusses the investment strategy and portfolio adjustments of Duan Yongping's H&H International Investment, highlighting significant positions in major companies and recent trading activities [1][3][6]. Group 1: Portfolio Overview - As of the end of Q2 2025, H&H International Investment's total portfolio value is approximately $11.5 billion [1]. - The portfolio includes ten companies, with Apple being the largest holding at 62.47%, valued at $7.2 billion [3]. - Other significant holdings include Berkshire Hathaway (14.24%, $1.64 billion) and Pinduoduo (7.86%, $906.6 million) [3]. Group 2: Recent Trading Activities - In Q2 2025, Duan Yongping increased positions in Apple, Pinduoduo, Google, and Nvidia, while reducing holdings in Occidental Petroleum, Alibaba, Microsoft, and TSMC [3][6]. - Despite increasing Apple shares by nearly 90,000, the overall trend for the first half of the year shows significant selling of Apple stock [4][8]. Group 3: Focus on AI and Technology - Duan Yongping's investment in Nvidia reflects a strategic focus on AI, with Nvidia's portfolio share rising from 0.58% to 1.32% after Q2 adjustments [8][12]. - The investments cover key segments of the AI industry, with Apple as a major application terminal, Nvidia for computing power, and Microsoft as part of the AI ecosystem [12]. Group 4: Alibaba Position Adjustment - Duan Yongping continued to reduce his position in Alibaba, selling 235,900 shares in Q2, resulting in a remaining value of $569 million [14][16]. - The decision to sell follows a significant price increase in Alibaba's stock, which saw a rise of over 100% from its lows [16]. Group 5: Influence of Warren Buffett - Duan Yongping's investment decisions are heavily influenced by Warren Buffett, as evidenced by his holdings in companies like Berkshire Hathaway and Occidental Petroleum [18]. - Recently, he expressed interest in UnitedHealth Group, following Buffett's investment in the company, indicating a strategy of mirroring Buffett's moves [19].