European markets finished lower on Friday and ended the week flat, as the situation in Ukraine erased any optimism over earnings season.
U.S. stock index futures pushed higher on Thursday, as Apple and Facebook's strong earnings boosted early trade in Europe.
Stocks mostly fell Wednesday after earnings from Boeing and AT&T.
The Treasury Department auctioned $35 billion in five-year notes at a high yield of 1.732 percent, the rate highest since May 2011.
European shares closed lower on Wednesday as investors reacted to a slew of earnings news and data released in the euro zone.
Gold extended losses for a fourth straight day as outflows from physical gold funds pointed to weak investment appetite.
Crude gave up gains after data showed U.S. oil inventories spiked by more than 3 million barrels last week.
US stock index futures seesawed as investors awaited another wave of major earnings, including Dow-listed Boeing and Procter & Gamble.
The euro struggled to make headway on Thursday amid caution before a speech by ECB President Mario Draghi.
U.S. stocks rose on Tuesday after earnings from McDonald's and Netflix.
Asian stocks were mixed on Wednesday as investors digested data that showed a slight improvement in Chinese factory activity.
The Treasury auctioned $32 billion in two-year notes at a high yield of 0.447 percent. The bid-to-cover ratio, an indicator of demand, was 3.35.
European shares closed higher on Tuesday, starting a shortened trading week on a positive note.
A record Japanese trade deficit in the fiscal year fueled the dollar's rise against the yen, but tensions in Ukraine were likely to limit losses.
Oil plunged as investors anticipated rising production and inventories in the world's top oil consumer, downplaying events in Ukraine.
The European Central Bank's Mario Draghi made clear the euro's strength is a possible trigger to ease monetary policy.
The US dollar was weakened by falling equity prices, Treasury yields, and a slower-than-expected expansion in the US manufacturing sector.
Asian equities were mixed on Tuesday as investors were cautious about the prospect of further U.S. sanctions on Russia.
U.S. stock index futures pointed to a lower open on Tuesday, ahead of first-quarter earnings early in the day from three Dow-listed companies.
Stocks rose on Monday after the S&P 500's largest weekly advance since July.
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