Stock futures are little changed after S&P 500 posts a fourth losing day: Live updates CNBCS&P 500 and Nasdaq close lower for a fourth straight day as Nvidia shares slide: Live updates CNBCStock market today: Tech leads stock slide, Nvidia falls almost 4% Yahoo FinanceS&P 500 Falls for Fourth Straight Session on Fading Hopes for Interest-Rate Cuts The Wall Street JournalDow Jones Futures: Nvidia, Chips Lead Stock Market Sell-Off; Taiwan Semiconductor Earnings Due Investor’s Business Daily