U.S. stock-index futures slipped slipped, with investors wary that minutes from the Federal Reserve's latest policy meeting due for release later could reveal a more hawkish tone from officials.

Global Stocks:

Nikkei 16,840.00 -184.76 -1.09%

Hang Seng 23,407.05 -142.47 -0.60%

Shanghai 3,059.13 -6.12 -0.20%

FTSE 7,052.29 -18.59 -0.26%

CAC 4,456.68 -15.06 -0.34%

DAX 10,529.71 -47.45 -0.45%

Crude $50.83 (+0.08%)

Gold $1,254.70 (-0.10%)