By Luc Olinga The two semiconductor companies have the opportunity to dispel doubts about their growth. Advanced Micro Devices (AMD) (AMD) – Get Advanced Micro Devices, Inc. Report and Nvidia (NVDA) – Get NVIDIA Corporation Report pass a crucial test in this month of May. The two chipmakers have experienced hell on the stock market since the beginning of the year. Worried about global growth, investors have fled tech and semiconductor and microprocessor makers in particular, despite seemingly solid fundamentals. The reason? A lack of chips to manufacture their products. This is the case in the…