U.S. stock-index futures tumbled.
Global Stocks:
Nikkei 16,416.19 -632.18 -3.71%
Hang Seng 18,886.3 -749.51 -3.82%
Shanghai Composite 2,976.52 -31.22 -1.04%
FTSE 5,725.79 -151.01 -2.57%
CAC 4,158.24 -114.02 -2.67%
DAX 9,449.87 -214.34 -2.22%
Crude oil $27.83 (-2.21%)
Gold $1100.60 (+1.06%)