February saw "unprecedented" record lows in retail footfall as a series of major storms and coronavirus kept shoppers at home.
Adidas and Puma have both reported a drop in Chinese sales in China thanks to the coronavirus outbreak.
WHSmith said it believes the Covid-19 outbreak could knock up to £130 million off its revenues for the current financial year.
M&S's non-executive director Justin King has reportedly called on grocers to prepare for likely shortages in their supply chain
Shoppers are turning to frozen food as the coronavirus outbreak spreads, Iceland managing director Richard Walker has said.
French Connection has reported a £2.9 million loss for the year ending January 31, and has remained uncertain
The government plans to extend the hours that supply chain deliveries can be made to supermarkets.