Core Viewpoint - Despite nearing retirement, Buffett's ability to identify valuable investments remains strong, as evidenced by significant stock purchases in the second quarter by Berkshire Hathaway, particularly in UnitedHealth Group, which saw a notable pre-market surge [2][3]. Group 1: UnitedHealth Group - UnitedHealth's stock price surged over 12% in pre-market trading after Buffett's investment, following a period where the stock had dropped more than 50% over the past year, resulting in a market cap loss of nearly $270 billion [3][4]. - The company is under investigation by the U.S. Department of Justice for potential billing misconduct related to its Medicare Advantage plans, raising concerns about inflated risk scores for higher reimbursements [4]. - The recent murder of the former CEO of the insurance division, Brian Thompson, has led to public outcry regarding the U.S. healthcare system, compounding the company's challenges [5]. Group 2: Berkshire Hathaway's Investments - In the second quarter, Berkshire Hathaway acquired over 5 million shares of UnitedHealth, with a market value of approximately $1.57 billion at the end of the quarter [5]. - Other stocks purchased by Berkshire include Nucor Steel (over 6.6 million shares, $860 million), Lennar (over 7 million shares, $780 million), D.R. Horton (1.485 million shares, $190 million), Lamar Advertising (about 1.17 million shares, $140 million), and Allegion (780,000 shares, $110 million), totaling a market value of approximately $3.65 billion for these new positions [7]. - In addition to new purchases, Berkshire reduced its stake in Apple by 20 million shares (approximately 6.67%) while still maintaining it as the largest holding [9].

尽管临近退休，但巴菲特点石成金的能力依然强大。 巴菲特旗下伯克希尔·哈撒韦公司二季度大举买入的6只股票，周五开盘前均出现不同程度的上涨。其中，联合健康集团股票周五盘前更是大涨超12%。 | 联合健康集团(UNITEDHEALTH) < W | | | | --- | --- | --- | | UNH.N | | | | 271.490 量 2501.1万 股本 9.06亿 市盈 11.5 万得 | | | | -0.320 -0.12% 换 2.76% - 市值1 2459亿 - 市净 2.60 | | 참□ | | 盘前 305.260 +33.770 +12.44% 美东 06:18 √ | | | | 更多 ◎ 盘前▼ 五日 日K 周K 月K | | | | 均价:306.214 叠加 | | | | B07.718 13.34% 卖一 305.690 | | 43 | | 买一 305.140 | | 0 | | 15:59 271.450 | 15:59 271.450 1085 | 289 | | 271.490 0.00% 15:59 271.450 | | 18 | | 15:59 271. ...

Market Overview - US stock indices showed mixed performance with the Dow Jones up 0.65%, Nasdaq down 0.18%, and S&P 500 up 0.41% [1] - The VIX index decreased by 4.24% to 17.83, indicating reduced market volatility [1] - The US dollar index fell by 0.23% to 100.83, while the yield on the 10-year Treasury bond dropped by 2.399% to 4.435% [1] - Spot gold increased by 1.96% to $3239.58 per ounce, while Brent crude oil fell by 1.87% to $64.58 [1] Industry & Stocks - In the industry sector, all S&P 500 sectors except semiconductors, which fell by 0.64%, recorded gains, with utilities and consumer staples leading at 2.13% and 2.05% respectively [3] - Chinese concept stocks mostly declined, with KWEB down 2.64% and Alibaba down 7.87%, reporting Q4 revenue growth of only 7% year-on-year [3] - Major tech stocks saw mixed results, with Microsoft up 0.23% and Nvidia down 0.38%. Berkshire Hathaway significantly increased its Alibaba holdings by 21 times while reducing its Nvidia stake [4][10] Focus on Companies - UnitedHealth Group's stock dropped by 10.93% amid an investigation by the US Department of Justice into its billing practices, which the company claims it was unaware of [5][6] - Walmart reported Q1 revenue of $165.6 billion, slightly below expectations, but adjusted EPS exceeded forecasts at $0.61. The company anticipates a 3.5% to 4.5% increase in net sales for Q2 [8] - Berkshire Hathaway's Q1 report revealed significant sell-offs in bank stocks, maintaining its position in Apple, while increasing stakes in other sectors like beverages and oil [9] Trade and Tariff Developments - Japan is seeking to hold a third round of trade negotiations with the US next week, while the EU and US are accelerating trade talks, aiming for greater tariff reductions than those with the UK [7] - Following recent tariff adjustments, container shipping rates from China to the US have surged, with bookings increasing by nearly 300% [12][13]