Key TakeawaysNvidia shares fell as much as 8% in intraday trading Tuesday, continuing its descent after slipping last week following a sales forecast that came up short of lofty expectations.Even with its recent slump, Nvidia remains the best-performing stock in the S&P 500 this year, up more than 120% from the start of 2024.Analysts said they remain bullish on Nvidia stock, citing robust demand for the company's AI chips. September got off to a rough start for chip stocks on Tuesday, with Nvidia (NVDA) lea ...