By Bret Kenwell Nvidia stock is getting into potential bargain territory, down almost 40% from the highs. Here’s where support may be. It’s been an ugly stretch for the stock market, but it may be time to start looking for some opportunities in high-quality holdings. One such holding may be Nvidia (NVDA) – Get NVIDIA Corporation Report. Of course, there’s nothing wrong with Advanced Micro Devices (AMD) – Get Advanced Micro Devices, Inc. Report either, but it’s hard to deny the long-term potential that’s still present in Nvidia. It’s a high-quality, high-margin, high-growth company that caters …