Oil prices fell amid excess supplies in Europe and Asia, and despite a larger-than-expected drop in nationwide stockpiles.
The dollar rose against a basket of currencies on Wednesday, after the Fed announced it will cut its asset buying program by another $10 billion.
Stocks fell Tuesday as geopolitical issues came back into play, offsetting upbeat earnings.
Bond prices were higher on Tuesday after the U.S. government's auction of five-year Treasury notes, the second of three debt auctions this week.
European shares closed higher on Tuesday, as investors reacted to corporate earnings while keeping an eye for fresh sanctions against Russia.
Oil fell as weak demand in Europe and Asia and ample supply in the Atlantic basin outweighed political drama in Ukraine and the Middle East.
Fears over Ukraine unrest and an upcoming slew of US data are also pushing some currencies slightly down against the dollar.
Oil prices fell on Tuesday, with U.S. crude leading the decline as a refinery fire in Kansas curbed demand for the benchmark.
Asian stocks rose for a second session on Tuesday on hopes that growth in the world's second-largest economy has finally stabilized.
U.S. stock-index futures rose Tuesday as investors looked to economic reports, earnings and the Fed's mid-week policy decision.
Stocks were little changed on Monday amid activity on the corporate-deal front.
The Treasury Department auctioned $29 billion of 2-year notes at a high yield of 0.54 percent, the highest yield since May 2011.
European shares closed lower on Monday, with investors focused on corporate earnings as well as developments in Ukraine and Gaza.
Gold rebounding from a one-month low, as heightened tensions over Ukraine prompted speculators to buy back bullion.
Gold held above $1,300 an ounce as heightened tensions with Russia, and violence in the Middle East, boosted its safe-haven appeal.
Asian equities were mostly higher on Monday, led by a rally in Chinese markets, on optimism about the health of the world's second-largest economy.
U.S. stocks finished lower on Friday weighed by Amazon's weak earnings and Visa's lowered outlook, in addition to ongoing geopolitical concerns.
U.S. Treasury debt prices jumped on Friday ahead of a Federal Reserve policymakers' meeting next week.
U.S. stock-index futures declined early on Monday, as investors continued to monitor geopolitical risks.
European shares ended the day lower, as concerns about the impact of further sanctions against Russia weighed amid ongoing unrest in Ukraine.
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Key members of OPEC are refusing to prop up oil prices, a Reuters survey shows, as its oil output increased this month.
The euro zone slid further into deflation in January, ahead of the launch of the European Central Bank's full-blown bond-buying program.