Since the coalition government took power in 2010, U.K. bank stocks have lost 7 percent. The industry’s prospects look to be getting worse as both major political parties distance themselves from the City, London’s financial district, before the May 7 election. The Bank of England is preparing harsher stress tests this year that may force firms to bolster capital buffers and new rules require expensive firewalls to be created around consumer operations. U.K.