In other news
US authorities have fined Avon $135m to settle a corruption probe in China after it became known the company had bribed officials.
Asian markets have rallied, with investors reversing a recent sell-off spurred by indications the Federal Reserve will keep rates on hold until mid-2015.
Saudi Arabia, the largest producer in the Opec oil cartel, cannot reduce its output despite plunging prices, a report says.
Nigeria's economy will grow 5.5% in 2015, down from an earlier projection of 6.4%, due to lower oil revenues, the budget the finance minister says.
Brent crude has jumped 2% to above $62 a barrel, as some traders bet a six-month price rout could be ending as more energy firms cut investment budgets.
Indian Prime Minister Narendra Modi has taken direct control of a project-monitoring body to fast-track investments worth almost $300bn.
US consumer prices have recorded their biggest drop in nearly six years but did little to change views the Fed Reserve will start raising interest rates.
European stocks have risen early, tracking a rally on Wall Street after the US Federal Reserve gave an upbeat assessment of the economy.