[Top 20 US Stock Turnover: NVIDIA Launches Latest High end AI Chip Analyst Expects Revenue to Boost] 2nd place NVIDIA closed 0.59% higher, with a transaction of $18.584 billion. NVIDIA launched the latest high-end chip H200 for training artificial intelligence models on Monday, which is a graphics processing unit that powers the wave of generative artificial intelligence. H200 includes 141GB of next-generation "HBM3" memory, which will help it generate text, images, or predictions using AI models. The market expects the company's sales to surge by 170% this quarter.