(Bloomberg) -- Australian burrito chain Guzman y Gomez Ltd. said it’s closing its Chicago restaurants and exiting the US after failing to generate adequate sales. The company’s shares soared.Most Read from BloombergSpot the Difference: Putin Gets Trump Treatment From Xi in ChinaIran Says the US’s Latest Proposal Has ‘Narrowed the Gaps’Modi’s Toffee Gift to Meloni Ignites Rally in Wrong Indian StockIran in Talks With Oman Over Permanent Hormuz Toll SystemDow Average Climbs to Record on US-Iran De