Nvidia seems to be executing perfectly. But the stock's recent run higher means expectations are high.Nvidia (NVDA 0.37%) stock's 30% slide between Jan. 1 and April 05 has proven to be quite the head fake. Just a few months later, shares are sitting at all-time highs and many analysts think there's more upside ahead. Given the stock's extraordinary momentum, it's a good time to take a close look at the stock.Can the artificial intelligence (AI) chipmaker live up to the high expectations baked into its stock ...