U.S. stock-index futures retreated as Chinese futures tumbled after regulators updated rules on margin trading and short selling in a market where equities have led global advances for the past year.

Reports from American Express (AXP), General Electric (GE) and Honeywell (HON) are in focus of the market.

Global markets:

Nikkei 19,652.88 -232.89 -1.17%

Hang Seng 27,653.12 -86.59 -0.31%

Shanghai Composite 4,288.35 +93.53 +2.23%

FTSE 6,984.2 -76.25 -1.08%

CAC 5,149.26 -75.23 -1.44%

DAX 11,766.76 -232.10 -1.93%

Crude oil $56.23 (-0.86%)

Gold $1203.10 (+0.43%)