These growth stocks soared between 198% and 559% last year.In the past three years, tech stocks been among the hottest buys due to the growth in artificial intelligence (AI). Last year was no exception, but it wasn't the data analytics stocks or chip stocks that performed the best. Instead, it was companies involved with selling memory and storage products that did the best.The three hottest stocks on the S&P 500 last year were Sandisk (SNDK +12.81%), Western Digital (WDC +6.81%), and Micron Technology (MU ...