BIG DEAL: Customers walk past a Dollar Tree store in Miami, Florida after the US chain announced it will buy Family Dollar Stores for about $8.5bn in cash and stock. ( Joe Raedle, AFP)
In other news
Canadian explorer Africa Oil and its partner Tullow Oil are likely to bring in a third partner to help develop their oil discoveries in northern Kenya.
The Bank of England has won backing from the IMF for keeping interest rates low, even as the it welcomes signs that Britain's economic recovery is broadening.
There has been a reversal of fortunes between Ivory Coast, the world's largest cocoa grower, and Ghana, the second-largest.
Europe's stock markets have closed mixed, starting the week on a tepid note as traders weighed a raft of corporate news.
Mozambique is still counting on increasing coal exports to expand its infrastructure and drive economic growth, despite depressed global prices.
Wall St stocks have fallen in early trade, but shares of discount retailers Dollar Tree and Family dollar have jumped on news of their merger.
Britain's Lloyds Banking Group has agreed to pay $370m to US and British authorities investigating its part in a global interest rate rigging scandal.
Commerzbank, Germany's second-largest bank, is planning further cost-cutting measures that could lead it to axe several hundred jobs.