From Longman Dictionary of Contemporary Englishwipe something off something phrasal verb British Englishto reduce the value of shares or prices by a particular amount Nearly £7 billion has been wiped off share prices worldwide. → wipe→ See Verb table
Examples from the Corpus
wipe off • He would just make me go and wipe it all off.• I walked round the room wiping myself off and trying to get my thoughts straight.• The Captain wiped the paint off his hands and carefully avoided showing his amusement.• Spilt drink stuck to my bare toes, and when I tried to wipe it off, it changed into blood.• After I left him it was like he wanted to wipe me off the face of the earth.• Augustine somehow resists every attempt to wipe it off the map.• If condensation collects on the inside of the cage, wipe it off with a cloth or tissue.• These can be removed simply by wiping them off with a damp cloth.From Longman Business Dictionarywipe off phrasal verb [transitive] wipe something off somethingFINANCE to suddenly reduce the value of shares, a company etc, especially by a large amountThere was a huge stockmarket crash which wiped 24 percent off stock prices. → wipe→ See Verb table