U.S. stock index futures pointed to a lower open on Monday as traders eye speeches from Federal Reserve officials and digest comments on global trade.
Finance ministers and central bank governors of the G-20 failed to agree on a joint communication that supported free and open trade.
Monday will also kick off a week packed with speeches from Fed officials, including Chicago Fed President Charles Evans. Philadelphia Fed President Patrick Harker is also scheduled to speak with CNBC's "Squawk on the Street."
Minneapolis Fed President Neel Kashkari spoke with CNBC's "Squawk Box" on Monday, saying he voted against a rate hike last week because he wanted to see more inflation in the U.S.
In Europe, the pan-European Stoxx-600 index was around 0.14 percent lower on Monday. In Asia, the Shanghai Composite in China closed 0.4 percent higher, while the Nikkei in Japan closed 0.35 percent lower.
In oil markets, Brent crude traded at around $51.02 a barrel on Monday, down 1.4 percent, while U.S. crude was around $47.87 a barrel, down 1.87 percent.
This followed news of rising U.S. drilling activity and stable output figures from OPEC countries despite their deal to freeze production.
—CNBC's Fred Imbert contributed to this report.