Attorneys general from five states sued Zillow and Redfin on Wednesday, alleging the companies schemed to stop competition in the online housing rental market.The lawsuit follows a similar one filed by the Federal Trade Commission on Tuesday.Officials from New York, Arizona, Connecticut, Washington and Virginia jointly filed the lawsuit Wednesday, citing a February deal between the two companies in which Zillow "paid Redfin $100 million to shut down its apartment rental advertising business and transfer its ...