A firm start on Wall Street helped push leading London shares to a new record high on Wednesday and German stocks closed floor trading up but the Paris bourse slipped sharply , hit by a weakening franc and fears of industrial unrest .
<response> A firm start on <location>Wall Street</location> helped push leading <location>London</location> shares to a new record high on Wednesday and <misc>German</misc> stocks closed floor trading up but the <location>Paris</location> bourse slipped sharply , hit by a weakening franc and fears of industrial unrest . </response>