Dow futures point to a 300-digit dive at the open as global markets continue to plunge By: CNBC.com News October 11, 2018 at 04:55 AM EDT U.S. stock index futures tanked ahead of Thursday's open, as the global market rout continued to thrash stocks. Read More >> Related Stocks: Dow Industrials SPDR Nasdaq ETF S&P 500 Ishares Core ETF SPDR S&P 500 ETF Trust