Within this category, the undertakings were divided into two groups according to their relative importance in the market concerned. Further upward adjustment was made in the case of Outokumpu in view of its large size and overall resources. ###>Pour fixer le montant des amendes, la Commission a tenu compte de la gravité et de la durée de l'infraction, ainsi que de l'existence, le cas échéant, de circonstances aggravantes et/ou atténuantes.