While some investors have grown cautious, one Wall Street analyst just doubled their price target on this fan-favorite stock.While the adoption of artificial intelligence (AI) has fueled stock market growth in recent years, there appear to be cracks in investor confidence. Despite evidence to the contrary, concerns of a bubble and fear that growth will slow have weighed on AI stocks.AI chipmaker Nvidia (NVDA 3.27%) is one example. The company repurposed its graphics processing units (GPUs) to accelerate AI ...