U.S. stock futures slightly down as investors looked ahead to a second day of testimony from Federal Reserve Chairwoman Janet Yellen.
Global markets:
Nikkei 18,585.2 -18.28 -0.10%
Hang Seng 24,778.28 +28.21 +0.11%
Shanghai Composite 3,229.57 -17.33 -0.53%
FTSE 6,921.7 -27.93 -0.40%
CAC 4,873.37 -13.07 -0.27%
DAX 11,189.53 -16.21 -0.14%
Crude oil $49.54 (+0.55%)
Gold $1206.90 (+0.80%)