From Longman Business Dictionarymark something → down phrasal verb [transitive]1COMMERCE to reduce the price of something that is being soldThe basic machine was marked down at Christmas from $799 to $399.2FINANCE if shares are marked down, their price or value fallsThis week its shares were marked down sharply after its Christmas trading figures disappointed investors. —marked-down adjectivemarked-down merchandisemarked-down shares → mark→ See Verb table
