NVIDIA shares Friday afternoon dropping almost 4% to their critical 50 day moving average. Shares have seen considerable resistance at the $140.00 price level, which finally broke the stock lower today.

Last, but not least. The final member of the so-called Magnificent Seven tech stocks to report in this earnings season is Nvidia, which will update investors late Wednesday. Those results, from the semiconductor company at the center of the artificial-intelligence boom,

There's no doubt that the world's second-most valuable stock is important. But the AI harbinger has taken on a different role of late as other stocks have supplanted the "Magnificent Seven" as the engine of this year's gains.