Both stocks have been in red-hot form in 2024.Nvidia (NVDA 2.57%) and SoundHound AI (SOUN 1.40%) have set the stock market on fire this year with stunning gains so far, though a closer look at the trajectory of the shares of these two companies shows us that their spikes can be attributed to different reasons.Nvidia's 90% gains in 2024 are a result of the company's outstanding top- and bottom-line growth, driven by the hot demand for its graphics processing units (GPUs) and processors for powering artificia ...