Nvidia stock has reached an all-time high of $143.71 per share after a week of volatility in the year-on-year reports of some of its main chip suppliers, with a few expecting considerable profits, and others presenting disheartening sales forecasts. For several years, Nvidia has been at the forefront of the graphics card market for both gaming and professional purposes, supplying millions of tech aficionados and workstation owners with their advanced chipsets.