Mild weather and discounting by rivals hit sales at JD Sports in October, as the trainers and fashion retailer said profits will be at the lower end of expectations.
The gloomy update sparked a sell-off among investors, sending shares down 15% and wiping more than £800m off the value of the FTSE 100 company, which owns the JD chain as well as outdoor wear retailers Millets and Blacks in the UK and chains in the US and mainland Europe.
