Nvidia (NASDAQ:NVDA) stock is in the news Thursday after Evercore warned its clients that the tech company's shares are no longer a "linchpin" for the S&P 500. Evercore points to the performance of the S&P 500 following Nvidia's Q1 earnings report earlier this week. While Nvidia stock underwent a massive rally on strong Q1 results, the S&P 500 didn't move in sympathy with the shares. Evercore argues that this could mean that Nvidia doesn't carry the weight needed to move the S&P 500. It could also be a sign ...