Brent crude fell to a fresh 47-month low on Wednesday before recovering to around $84 a barrel, as faltering global growth curbed demand for fuel at a time of heavy oversupply.
Anxiety about a slowing global economy stoked a rally in the U.S. bond market, with benchmark yields at their lowest level in 16 months.
The U.S. dollar recovered against a basket of major currencies on Tuesday after worrying economic data came out of the euro zone and United Kingdom.
Gold settled higher as sliding crude oil prices and a dollar rebound prompted the bullion market to take a breather following its recent rally.
European shares trimmed their losses and closed higher as a number of U.S. banks reported positive earnings.
Asian shares traded mixed on Tuesday as fears of global economic weakness affected investor sentiment.
U.S. stock index futures turned lower on Wall Street on Wednesday as investors digest a mixed bag of earnings releases.
U.S. futures turned higher Tuesday as U.S. banks began reporting earnings.
Stocks rose Monday after last week's rout that came as investors fretted signs of a slowing global economy.
European shares closed mixed on Monday, as positive data from China failed to boost sentiment.
The US dollar fell against a basket of major currencies on Monday on concerns that the Fed may delay its first interest rate hike.
Oil lost more than a dollar as Kuwait said OPEC is unlikely to cut output to support prices, while Saudi Arabia hinted the same.
Gold settled higher as the dollar fell on uncertainty about global economic growth.
Asian shares fell on Monday, adding to last week's tumble, as strong Chinese data failed to soothe worries about sluggish global growth.
Long-dated Treasuries debt yields fell to the lowest levels in more than a year on Friday with concerns persisting about global economic growth.
Stocks fell Friday as computer-chip makers dropped on Microchip Technology's reduced forecast.
Wall Street look set to shake off last week's jitters, posting narrow gains ahead of a raft of earnings reports.
European shares closed sharply lower on Friday, as concerns over global growth and weaker economic data from Germany hit risk sentiment.
Oil prices reversed in choppy trading on Friday as investors momentarily overcame fears about the supply outlook.
Gold settled lower as a rise in the dollar capped four days of gains, though the metal remained supported around the $1,220 level.
Get the best of CNBC in your inbox