(Bloomberg) -- A Labour government will work with technology firms that want to list their shares in London, the party’s business spokesman said, as the UK’s main opposition seeks to burnish its business credentials ahead of an election expected in the fall.Most Read from BloombergBlinken’s Return From Davos Was Delayed After Plane Broke DownApple to Sell Watches Without Oxygen Feature After Legal SetbackPakistan’s Army Strikes Back at Iran as Both Sides Urge CalmSingapore Minister Quits After B