Treasurys were lower after the ECB unexpectedly cut already ultra-low interest rates and detailed plans to start buying loans and bonds next month.
European shares closed sharply higher on Thursday after the ECB cut interest rates and announcing a bond-buying program.
Oil prices weakened on Thursday, reversing some of the sharp overnight gains, as U.S. industry data showed fuel stocks rose last week.
Gold prices settled lower on Thursday as brighter prospects for the U.S. economy and the dollar dimmed the metal's appeal.
The euro hit fresh 14-month lows against the U.S. dollar and nearly two-year lows against the Swiss franc on Thursday.
Trading in Asia was cautious on Thursday with central bank decisions in Japan and Europe in focus.
U.S. stocks closed mixed on Wednesday, coming off morning highs amid economic reports and central bank news.
U.S. Treasury yields were little changed on Wednesday, as investors mulled this week's ECB meeting and the possibility of a cease-fire in Ukraine.
U.S. stock index futures rose on Thursday, after the European Central Bank cut its key interest rate.
European shares ended the day firmly in the green on Wednesday, amid hopes that Ukraine and Russia were nearing a cease-fire agreement.
Crude climbed by more than $1 a barrel on Wednesday, as traders reacted to strong U.S. data and expectations of stronger demand.
Gold edged higher, recovering from an earlier 2-1/2 month low, as initial expectations of a ceasefire in eastern Ukraine receded.
The euro steadied against almost every other major currency on Wednesday after Ukraine said it has agreed on a ceasefire with Russia.
Asian equities finished mostly higher on Wednesday following stronger-than-expected economic data from China and Australia.
Stocks mostly fell on Tuesday after the S&P 500 hit another intraday record, as energy companies dropped with the price of oil.
U.S. government bond prices slipped on Tuesday, as investors eyed the ECB's policy meeting and developments in eastern Ukraine.
European shares slipped to close marginally lower, as investors monitored events in eastern Ukraine and reacted to economic data from the region.
Gold settled at its lowest level since mid-July as stock markets the dollar rallied ahead of a European Central Bank meeting this week.
Crude oil was crushed on Tuesday, as concerns of slowing oil demand in China and Europe failed to offset supply worries from Libya.
U.S. stock index futures and European indexes traded higher on Wednesday amid the possibility of a "cease-fire" between Russia and Ukraine.
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