Stock market today: Dow, S&P 500, Nasdaq futures fall as bitcoin's slide sparks caution in wait for Nvidia

US stock futures fell on Tuesday, pointing to a return to losses as bitcoin's (BTC-USD) slump rattled nerves, with a pivotal Nvidia (NVDA) earnings report and shutdown-delayed jobs data on the horizon. Dow Jones Industrial Average futures (YM=F) dropped roughly 0.3%, and S&P 500 futures (ES=F) also slid 0.3%. Contracts on the tech-heavy Nasdaq 100 (NQ=F) moved 0.4% lower on the heels of sharp closing losses for Wall Street stocks. The overnight moves follow a bruising session for equities. The Dow tumbl ...