Argos, bought by Sainsbury's last year, was the worst of 233 employers which did not pay staff the minimum wage, an investigation found.
The strangest acquisition in the retailing sector in the past couple of years was the �340m purchase of Homebase by Wesfarmers of Australia.
Drilling has started on the first UK shale well for six years even as debate intensifies among geologists over how much gas is available for fracking.
A price cap will be put in place on the South West Trains rail franchise as part of measures to spare passengers potentially higher fares and a worse service.
At least half of the new homes built on London public land will have to be affordable to benefit from faster planning permission, according to the capital's mayor, Sadiq Khan.