美股存储概念股盘前延续强势，SanDisk涨超3%

Group 1 - U.S. storage concept stocks continued to show strength in pre-market trading, with SanDisk rising over 3%, Western Digital and Micron Technology both increasing by more than 2% [2] - Netflix experienced a nearly 6% decline despite strong performance, attributed to weaker Q1 guidance [2] - Kraft Heinz saw a drop of over 3% as Berkshire Hathaway plans to reduce its stake by up to 325.4 million shares [2]