Samsung Electronics has raised prices for some advanced contract chipmaking services by up to 15% for new orders, two people familiar with the matter said, as demand for AI chips tightens capacity in a business long dominated by TSMC.Demand from Chinese customers has been particularly strong, but Samsung has ?been unable to meet all orders because it must serve US customers and reserve part of its capacity to support its own chip production, said the sources, who spoke on the condition of anonymity because they are discussing sensitive commercial matters.Chinese customers are among those accepting the steepest price increase, one...