Every company building AI right now needs chips, and Samsung makes the memory chips that power those AI systems. Demand is surging while supply struggles to keep up, pushing prices higher and boosting Samsung’s profits.

There’s another reason shares surged on Wednesday. Reports came out yesterday that Apple has been in talks with both Samsung and Intel to manufacture chips for Apple devices on U.S. soil. Apple has long relied almost exclusively on TSMC in Taiwan for its chip production. If Samsung lands the deal, it would mark a significant shift in the global semiconductor supply chain.

At the heart of Samsung’s profit boom is high-bandwidth memory (HBM), a type of chip critical to running AI systems, which has dramatically improved the company’s margins. But the competition is intense. Rival SK Hynix, a South Korean semiconductor giant, is aggressively vying for the same market, keeping the pressure on Samsung to maintain its edge.

The AI boom is driving a chip shortage across the semiconductor industry, as the world’s three largest memory chip makers, Samsung, SK Hynix, and Micron, struggle to meet runaway demand from AI data centers. All three companies have pulled investment away from their consumer chip businesses to ramp up production of HBM, which carries substantially higher margins and has become essential to powering large-scale AI infrastructure.