3.2% of non-food retail purchases go through a business Mike Ashley has a stake in.
The demise of retailers including Toys R Us and Maplin has driven sales away from retail parks, according to new research.
UK consumer confidence remained at its gloomiest in five-and-a-half years this month.
Clarks have launched a government backed initiative which will see some 6500 staff teach children language skills.
Major retail figures including Andy Street have piled fresh pressure on the government to reform business rates.
Shop prices in January were slightly up on a year ago despite heavy post-Christmas discounting.
Consumers have placed Brexit as their top concern for the year ahead as it is expected to dent retail turnover this year.
Sports Direct tycoon Mike Ashley is facing a fine after being six months late filing Mash Holdings' accounts.
VPZ has revealed plans to expand into Europe before making a potential stock market debut as it takes advantage of the increasing demand in the vaping industry.
The families that own JD Sports, Primark & Selfridges, have been named among those who paid the most tax in the UK last year.