Is this the beginning of the end for American chipmaking? It could very well be. Intel, the iconic US semiconductor manufacturer, warned on Thursday that it may stop developing its next-generation chip, known as 14A.The company said in a regulatory filing on Thursday that it is focused on developing 14A and finding a large customer. It was Intel's first warning of the possible fallout from failure. "If we are unable to secure a significant external customer and meet important customer milestones for Intel ...