Berkshire Hathaway Inc posted a record quarterly profit on Saturday, boosted by strength in its insurance operations, and appears to have sold a significant number of Apple shares as its cash stake swelled to $189 billion. The size of Berkshire's stake in Apple stake fell 22% to $135.4 billion as of March 31 from $174.3 billion at the end of 2023, even though the iPhone maker's share price fell just 11% in the quarter. Read this story