Crude futures rise over another roller coaster session while precious metals head lower ahead of Yellen comments.
Yellen is expected to provide clues about the US central bank's next move on interest rates.
Crude futures continue retreat as greenback rallies ahead of Yellen speech and US crude stockpiles rise.
US new-home sales in July increased to their highest levels in nearly eight years.
Investors expect Yellen to give a hint about the timeline of the next rate increase in her speech.
Oil and precious metal futures retreat from previously high levels as traders look to cash in on price uptick
Investors expect Fed chair Janet Yellen to hint at an increase in US interest rates.
Oil futures remained in bull territory despite the current rally showing signs of petering out
Investors are now said to be looking forward to clarity from US Fed chairperson Janet Yellen on interest rate increase.
Brent up by almost 20% on its previous low which is close to the common definition of technical bull run.
US Fed officials split on the timing of future rate increase.
Precious metals retreated before the release of the US central bank's minutes of its latest monetary policy meeting.
New York Fed President William Dudley says the US central bank could raise interest rates as early as September.
Market chatter of a production freeze supports oil prices while precious metals rise on a weaker dollar.
Japan's Nikkei sees the sharpest fall following increase in the value of yen.
Saudi willingness to discuss an oil production freeze continues to support oil prices.
Reiteration of market stability call by Saudi Arabia helps support crude, gold spikes again.
The UK central bank's decision to cut interest rates to 0.25% has triggered an uptick in demand for gold.
China's fixed-asset investment in the year to July grew at the slowest rate in more than 16 years.
Crude futures enter steady mode but precious metals lose shine on stronger dollar.
Singapore has reduced its 2016 economic growth forecast amid Brexit and weakening global demand.
Weaker dollar supports gold rally but oil futures slide.
US nonfarm productivity declined at a 0.5% annual rate in the second quarter ending 30 June.
Money managers increase bets on oil prices falling despite price rises seen over the past 24 hours.
China inflation numbers indicate there is room for further policy easing in the Asian country.
Market speculation that Opec is working on another bid to cut production sends oil futures on recovery run
Asian markets bullish despite data showing fall in China's July exports.
Profit-taking after gold spike to $1,370 weighs on precious metals as oil futures battle oversupply sentiment.
Gold futures rally after the UK central bank cuts interest rates.
Investors expect the UK's central bank to cut rates to a record low of 0.25%.