Markets News, June 21, 2024: Nasdaq, S&P 500 Dip as Nvidia, Chip Rally Lose Steam InvestopediaS&P 500 closes lower Friday as Nvidia falters, Dow posts best week since May: Live updates CNBCNvidia Stock Runs Out of Steam, Headed for Second Day of Losses Barron’sS&P 500 Gains and Losses Today: Index Edges Lower as AI-Fueled Rally Loses Steam InvestopediaMorning Bid: Nvidia gets vertigo, dollar builds steam Reuters