The latest stories from the Business section of the BBC News web site.
Updated: 44 min 38 sec ago
Diamond mining company Petra says it has found a unique 122.52 carat blue diamond near Pretoria in South Africa.
Virtual reality - a technology which failed in the 20th Century - creates a new wave of excitement at the E3 games expo in Los Angeles.
Suzanne Vanhooymissen reports on the daily blackouts and rising cost of energy in Ghana, crippling many businesses there.
Without funding and more say in how their industry is run, chocolate is not so sweet for many cocoa traders and farmers in Africa.
The pound nears a five-year high after the governor of the Bank of England, Mark Carney, signalled interest rates may rise this year.
Credit ratings agency Fitch gives South Africa a negative outlook following a five-month platinum strike in the country.
Canada's Amaya is to buy the owner of Pokerstars and Full Tilt Poker for $4.9bn, creating the world's biggest publicly listed online gaming company.
How QuizUp raised millions of dollars
Oil prices rise to a nine-month high, and global stock markets decline, amid concerns that developments in Iraq may hurt global supplies.
What do we know about the new generation of the ultra-rich?
Intel delivers a rare piece of good news for the shrinking PC market after the chipmaker says it expects better revenue growth on stronger personal computer sales.
A television advertising campaign featuring Breaking Bad actor Aaron Paul is accidentally switching on people's Xbox One consoles.
One of the European Union's top officials, Michel Barnier, intervenes in the controversy over a potential huge US fine on BNP Paribas bank.
The art that explores our attitudes to the financial world
Big data has big potential but also comes with big risks, so companies must work hard to get the most out of these hi-tech projects, experts warn.
Why is the Bank of England signalling an early rate rise?
Electric car maker Tesla confirms it will open up its patents for others to use "in good faith" to speed up electric car development and adoption.
Linda Yueh takes us through the research on where the new ultra-rich come from.
An informal agreement that could help end the long-running strike in South Africa's platinum sector is put to striking miners
An oil and gas explorer is given approval to develop a major North Sea field 100 miles off the Aberdeen coast.