Berkshire Hathaway operating earnings dip 4% as conglomerate braces for tariff impact

Core Insights - Berkshire Hathaway reported a 4% year-over-year decline in second-quarter operating profit to $11.16 billion, primarily due to a decrease in insurance underwriting, despite higher profits in other sectors [2][3] - The company expressed concerns regarding the negative impacts of U.S. tariffs under President Donald Trump, indicating potential adverse consequences for its operating businesses and equity investments [2][3] - Berkshire's cash reserves slightly decreased to $344.1 billion from $347 billion, with no stock repurchases made in the first half of 2025 despite a more than 10% decline in share prices from a record high [4] Company Leadership Changes - Warren Buffett announced his plan to step down as CEO at the end of 2025, with Greg Abel set to take over, while Buffett will continue as chairman of the board [5]