U.S. stock index futures pointed to a weaker open on Wall Street after the S&P hit a new closing high on Friday amid renewed concerns over the crisis in Ukraine.
Weak Chinese data showing import growth fell unexpectedly also kept futures in check.
A weak U.S. jobs report on Friday calmed concerns about the Federal Reserve removing stimulus sooner rather than later, sending stocks higher.
The number of jobs created "was way under what they anticipated, but the unemployment rate countered that," Stephen Carl, head equity trader at the Williams Capital Group, said of the Labor Department's report, which had nonfarm payrolls adding just 142,000 jobs even as the jobless rate declined to 6.1 percent.
The Organisation for Security and Cooperation in Europe (OSCE) said the cease-fire in Ukraine was largely holding, but it was very shaky. Russian stocks were lower in morning trade, with the country bracing itself for more sanctions.
The flow of U.S. data slows down somewhat this week, with just retail sales and Michigan consumer sentiment, both out on Friday.
Sterling came under pressure on Monday following a poll over the weekend which showed rising support for Scottish independence.