What is the relationship between 888 Holdings and gambling in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Among corporate stocks, GVC Holdings (Other OTC: GMVHF - news ) slumped despite finally beating rival 888 Holdings in the battle for online gambling group Bwin.Party Digital Entertainment.

Answer: industry