The bad news just keeps on coming for Snowflake this year.Artificial intelligence (AI) stocks have been doing well for the most part this year, but one exception is Snowflake (SNOW -0.81%). The data-storage company should be benefiting from a surge in AI-related spending, but instead, its share price is down 30% this year. What's wrong with Snowflake, and can now be a good time to invest in the company? Or could things get even worse for the stock? The stock hasn't rebounded from a change in leadership earl ...