Dow futures plunge more than 400 points: 5 things to know before Wall Street opens

US equity futures fell as oil neared $100 per barrel, rekindling inflation concerns ahead of key US price data later this week. Dow futures declined more than 400 points, or 0.7%, while S&P 500 and Nasdaq 100 futures fell 0.2% and 0.1%, respectively. Higher energy prices could complicate the inflation outlook and pressure risk assets.