Dell Technologies reported sharply higher revenue guidance and AI server projections, triggering a nearly 40% premarket stock gain to $442.70 and more than $81 billion in added market value. The company cited data-center spending by Alphabet and Amazon, while analysts upgraded targets and 19 of 28 rated the stock Buy or higher. Year-to-date Dell shares have more than doubled versus an S&P 500 gain of 10.5%.