SK Hynix has become the latest chipmaker to ride the AI infrastructure boom into trillion-dollar territory. The South Korean memory chip maker crossed the $1 trillion market-value threshold for the first time on Wednesday, joining rivals Samsung Electronics and Micron Technology in a rally fueled by booming demand for artificial intelligence hardware. SK Hynix shares closed 9.3% higher after surging nearly 15% during trading, pushing the company’s valuation above 1,600 trillion won, according to Reuters . The jump makes SK Hynix one of only a handful of Asian companies ever to pass the $1 trillion milestone. The rally comes as AI companies race to secure advanced memory chips for data centers and AI accelerators, especially those tied to Nvidia. AI demand reshapes the chip industry Demand for high-end memory chips used in AI systems , especially those powering Nvidia-based data centers, has tightened supply and pushed prices higher across the industry.…