https://www.reuters.com/article/us-wework-ipo/softbank-urges-wework-to-shelve-ipo-over-valuation-concerns-ft-idUSKCN1VV07C >SoftBank Group , a top shareholder in the holding company of U.S. office-sharing startup WeWork, is urging it to shelve a planned IPO on concerns over the valuation that can be achieved in a listing, the Financial Times reported on Monday.