U.S. bonds traded higher on Monday, as ongoing turmoil in Ukraine boosted investors' bid for "safe haven assets".
European stocks closed sharply lower on Monday, with investor sentiment curbed by the growing instability in Crimea.
U.S. oil rose on market talk of decreased supply from the Bakken shale in North Dakota, which federal officials called a rumor.
Gold ended more than 2 percent higher as escalating tensions between Ukraine and Russia bolstered demand for assets perceived to be relatively safe.
Crude rallied more than $2 per barrel on Monday, lifted by rising tension in Ukraine and growing fears of a Russian invasion.
Monday will kick off a busy week for data on Wall Street, with the latest manufacturing ISM index due at 10 a.m. ET.
The dollar, ruble and euro rose against the yen on Tuesday, helped by signs Russia may want to avoid more military action in Ukraine.
Stocks turned lower on Friday, with the S&P 500 retreating from its record.
U.S. Treasury notes ticked lower as investors scaled back on the "safe haven" purchases that have been fueled by the chaos in Ukraine.
European stocks closed flat on Friday, paring morning losses after responding to rises on Wall Street.
Gold prices settled higher on Thursday due to a steady dollar, but remained well below the previous day's four-month high.
The dollar fell to a two-month low against the euro after data showed euro zone inflation unexpectedly held steady this month.
Gold settled lower on Friday, but logged a monthly gain as persistent concerns about a slowdown in the U.S. economy hurt the dollar.
Asian equities were a mixed sight of red and green on Friday, despite overnight gains on Wall Street and as investors digested a raft of Japanese economic data.
Ukraine tension shakes investors, who head for the greenback on strong US spending data.
Stocks rose Thursday, with the S&P 500 ending at a record high.
U.S. stock index futures pointed to a lower open on Friday, ahead of the official second estimate of fourth quarter 2013 economic growth.
Treasurys held on to earlier gains following strong demand for a sale of seven-year notes, helped by safe-haven demand.
European stocks closed lower on Thursday following heightened tensions in Ukraine.
Putin's war games in Ukraine and a government report showing new housing sales at five-year highs both boosted the greenback on Wednesday.
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