In today's morning trade, the two largest supermarket chains in Australia, $Coles Group Ltd (COL.AU)$ and $Woolworths Group Ltd (WOW.AU)$ declined by 3.07% and 3.92% respectively.
It was reported that $Coles Group Ltd (COL.AU)$ and $Woolworths Group Ltd (WOW.AU)$, were sued by the nation's competition regulator over accusations that they misled shoppers regarding discounting on hundreds of common products.