The top 20 US stock trading volume: Buffett has reduced his holdings of Apple for the second consecutive quarter. Apple, ranked third, closed down 0.91%, with a transaction volume of $13.873 billion. According to industry insiders, Apple is about to release a full new iPad Pro and iPad Air, as well as updated Apple Pencil and Magic Keyboard key accessories. In addition, Berkshire Hathaway announced over the weekend that as of March 31, 2024, its stake in Apple had decreased from $174.3 billion to $135.4 billion, with a reduction of approximately 13%. This is also the second consecutive quarter that Buffett has reduced his holdings in Apple. Saturday's report suggests that Berkshire may reduce its holdings of 116 million shares of Apple stock. As a comparison, Berkshire sold nearly 10 million shares of Apple stock in the fourth quarter of last year.