This week marks a big moment for tech investors as perhaps the most anticipated earnings of the year will be released: Nvidia (NVDA -1.44%) will announce its Q3 numbers on Wednesday, Nov. 20.The artificial intelligence (AI) titan powering a market boom has a lot of questions to answer. How is it dealing with the recent issues at one of its key suppliers? Is the release of its newest Blackwell chip going according to plan?We'll learn more on Wednesday, but there are plenty of reasons to buy Nvidia's stock ah ...